Academic literature on the topic 'Matlab Codes'

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Journal articles on the topic "Matlab Codes"

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Koko, Jonas. "Vectorized Matlab Codes for Linear Two-Dimensional Elasticity." Scientific Programming 15, no. 3 (2007): 157–72. http://dx.doi.org/10.1155/2007/838942.

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A vectorized Matlab implementation for the linear finite element is provided for the two-dimensional linear elasticity with mixed boundary conditions. Vectorization means that there is no loop over triangles. Numerical experiments show that our implementation is more efficient than the standard implementation with a loop over all triangles.
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Ijemaru, Gerald K., Augustine O. Nwajana, Emmanuel U. Oleka, Richard I. Otuka, Isibor K. Ihianle, Solomon H. Ebenuwa, and Emenike Raymond Obi. "Image processing system using MATLAB-based analytics." Bulletin of Electrical Engineering and Informatics 10, no. 5 (October 1, 2021): 2566–77. http://dx.doi.org/10.11591/eei.v10i5.3160.

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Owing to recent technological advancement, computers and other devices running several image editing applications can be further exploited for digital image processing operations. This paper evaluates various image processing techniques using matrix laboratory (MATLAB-based analytics). Compared to the conventional techniques, MATLAB gives several advantages for image processing. MATLAB-based technique provides easy debugging with extensive data analysis and visualization, easy implementation and algorithmic-testing without recompilation. Besides, MATLAB's computational codes can be enhanced and exploited to process and create simulations of both still and video images. Moreover, MATLAB codes are much concise compared to C++, thus making it easier for perusing and troubleshooting. MATLAB can handle errors prior to execution by proposing various ways to make the codes faster. The proposed technique enables advanced image processing operations such as image cropping/resizing, image denoising, blur removal, and image sharpening. The study aims at providing readers with the most recent MATLAB-based image processing application-tools. We also provide an empirical-based method using two-dimensional discrete cosine transform (2D-DCT) derived from its coefficients. Using the most recent algorithms running on MATLAB toolbox, we performed simulations to evaluate the performance of our proposed technique. The results largely present MATLAB as a veritable approach for image processing operations.
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Kambali, Imam. "Calculated Radioactivity Yields of Gallium-67 using Matlab Codes." Jurnal Sains Materi Indonesia 21, no. 1 (May 1, 2020): 21. http://dx.doi.org/10.17146/jsmi.2019.21.1.5679.

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In nuclear medicine, gallium-67 (67Ga) is potentially applied for imaging a certain type of tissue. In this investigation, 67Ga is theoretically studied in terms of its potential radioactivity yields at the end of various energetic proton bombardments. Nuclear cross-sections derived from the Talys Evaluated Nuclear Data Library (TENDL) 2017 were used as the input files, while a Matlab code was developed to perform the yield calculations of 67Zn(p,n)67Ga and 68Zn(p,2n)67Ga nuclear reactions to produce 67Ga. Two different targets – enriched 67Zn and natZn targets – were simulated in the calculations. The calculated yields suggested that a maximum of 27.37 MBq/µAh could be achieved when enriched 67Zn target was irradiated with 15-MeV protons, whereas 46.99 MBq/µAh could be generated following a 30 MeV proton bombardment of enriched 68Zn target. Various radioactive gallium impurities, i.e. 63,64,65,66,68,70Ga and stable 69Ga isotope were also expected to be generated mostly via (p,n) and (p,2n) reactions when natZn target was used in the 67Ga production. In contrast, radioactive 66Ga and 68Ga impurities were mainly produced following bombardment of enriched 67Zn and 68Zn targets. This study can be used as a reference for future 67Ga radionuclide production.
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Gomez, C., J. E. Gonzalez, and J. M. Pardo. "Communication systems simulator with error correcting codes using MATLAB." European Journal of Engineering Education 28, no. 4 (December 2003): 483–90. http://dx.doi.org/10.1080/0304379032000101845.

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Abdulhamid, Mohanad, and Mbugua Thairu. "Performance Analysis of Turbo Codes Over AWGN Channel." Scientific Bulletin of Electrical Engineering Faculty 19, no. 1 (April 1, 2019): 43–48. http://dx.doi.org/10.1515/sbeef-2019-0009.

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AbstractTurbo coding is a very powerful error correction technique that has made a tremendous impact on channel coding in the past two decades. It outperforms most known coding schemes by achieving near Shannon limit error correction using simple component codes and large interleavers. This paper investigates the turbo coder in detail. It presents a design and a working model of the error correction technique using Simulink, a companion softwareto MATLAB. Finally, graphical and tabular results are presented to show that the designed turbo coder works as expected.
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Angulo, Hugo, and Manolo Paredes. "Design and Development of a Software Defined Radio for Ecuadorian Army, trough the use of a USRP and Simulink tool of Matlab." MASKAY 2, no. 1 (November 1, 2012): 68. http://dx.doi.org/10.24133/maskay.v2i1.150.

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This research presents a design of a software defined radio using the USRP and Simulink software of Matlab. Based on voice digitalization, it was considered necessary to implement the codec G.726 of ITU, in 32 Kbps version, to perform the respective comparison with 64 Kbps G.711 codec, which was developed as a Simulink's block set. To provide sturdiness to the system, it was used an appropriate channel coding. This was achieved through the use of block codes and interlaced or Trellis, such as Convolutional codes. Finally, both systems are proposed with QPSK modulation and frequency modulation, with the hope of providing a significant contribution and comparative development to SDR systems, through the assessment by the BER.
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Kizilcay Abdulla, F. G., and R. Abdulla. "A Comparative Application for Evaluating Composite Fabrics Used in Electromagnetic Shielding." Engineering, Technology & Applied Science Research 7, no. 6 (December 18, 2017): 2156–59. http://dx.doi.org/10.48084/etasr.1480.

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Composite fabrics containing metal filaments are used widely for preventing electromagnetic radiation. Many experiments involving them are carried out continuously. Results are simulated in order to analyze their performance. Coding in Matlab is a popular method to compare the electromagnetic shielding properties of composite fabrics but for different options Matlab codes must be edited each time. Scientists who are not experts in coding have difficulties on editing such codes. To overcome this, an application written in C# in Visual Studio with .Net platform was developed. This application is integrated with Bunifu, which allows the application to be well designed. The proposed interface is user friendly and lets the user choose the available fabric with its stitch length from panel section. By setting options one can get the electromagnetic parameters such as scattering (S) parameters, reflection, transmission and absorption coefficients and total shielding effectiveness (SE) values with one click. As the application is integrated with Matlab codes, output is given as a Matlab graph with desired options. In this way the distinctions between the chosen fabrics can be analyzed easily.
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Bos, Len, and Marco Vianello. "CaTchDes: MATLAB codes for Caratheodory–Tchakaloff Near-Optimal Regression Designs." SoftwareX 10 (July 2019): 100349. http://dx.doi.org/10.1016/j.softx.2019.100349.

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Yan, Tian Yun, Kai Kuo Xu, Wei Wei, and Hong Wei Zhang. "A Virtual Experiment Platform Based on Matlab Webserver." Advanced Materials Research 216 (March 2011): 605–8. http://dx.doi.org/10.4028/www.scientific.net/amr.216.605.

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The concept of virtual experiment platform and matlab webserver, the fundamental principles and system configurations of Matlab Webserver are introduced in detailed. The key process and source codes are divided into three essential parts in the simulation system, and they are Mfile, HTML input interface and HTML output document. Finally, the simulating result is presented.
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Wirastuti, N. M. A. E. D., I. M. A. Suyadnya, and D. C. Khrisne. "Performance Assessment of OFDM System using Reed-Solomon Codes over Fading Channels." Journal of Electrical, Electronics and Informatics 2, no. 2 (August 31, 2018): 48. http://dx.doi.org/10.24843/jeei.2018.v02.i02.p06.

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This paper study the performance of Orthogonal Frequency Division Multiplexing (OFDM) system over AWGN and Rayleigh fading channels. OFDM performs multi-carrier transmission where all the subcarriers are orthogonal to each other. The channel coding was applied to improve the OFDM system performance. Reed Solomon (RS) codes was chosen that an efficient channel coding algorithm and has intense error correction ability. Adding the benefits of multicarrier OFDM system and Reed Solomon codes to achieve the expected system performance. The coded OFDM system was modeled over and simulated using Matlab. The bit error rate (BER) and energy bit (Eb) per noise power density (No) was performed during system simulations. QPSK modulation was used to modulate the random bits. From the simulation results It can be seen that BER vs. EB/No parameter for Coded OFDM system lower than uncoded OFDM. This was because RS codes succeed to correcting the error generated along data transmission.
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Dissertations / Theses on the topic "Matlab Codes"

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CHAUVEAU, STEPHANE. "Menhir : un environnement pour l'execution efficace des codes matlab." Rennes 1, 1998. http://www.theses.fr/1998REN10018.

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Au cours de la derniere decennie, le developpement de codes numeriques a ete grandement simplifie par l'apparition d'environnement de developpement offrant une forte convivialite et une grande portabilite. Ainsi, de nombreux numericiens utilisent le logiciel matlab et le langage associe pour verifier la validite de leurs methodes sans se soucier des details d'implantations. Malheureusement, les performances de matlab sont assez faibles car le mecanisme d'interpretation des codes induit un cout non negligeable. Au cours de cette these, nous avons developpe menhir, un environnement permettant la compilation et eventuellement la parallelisation des codes matlab. Nous utilisons une description externe du systeme cible pouvant etre amelioree par les utilisateurs desirant ajouter leur propres methodes de calculs. Cette approche nous permet egalement d'obtenir un logiciel adaptable a des systemes cibles tres differents par leurs architectures materielles, par les bibliotheques de fonctions numeriques disponibles et par les modeles de programmations utilises. Nous avons developpe des techniques d'inferences des types permettant de pallier l'absence de declarations des variables dans les codes matlab. Nous avons egalement developpe une selection automatiques des structures de donnees et des codes numeriques parmis toutes les possibilites proposees dans la description du systeme cible. Nos experimentations montrent que de nombreuses sources d'optimisations permettent d'ameliorer sensiblement les performances des programmes matlab.
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Karlsson, Andreas. "Simulation of a CDMA system based on optical orthogonal codes." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2300.

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To take advantage of the high speed in an optic fiber, one of the basic concept in fiber optic communication is to allow several users to simultaneously transmit data over the channel. One technique that provides multiple access is it fiber optic-code division multiple access (FO-CDMA). In FO-CDMA each user is assigned one or more signature sequences called codewords, which are subsets of a type of optical orthogonal code (OOC). The channel input/output consists of the superposition of several users codewords and at the receiver end an optical correlator extracts the information.

In the parallel code constructions, presented in this report, each user j is assigned a subset Cj from a code C. The subsets are disjoint and their union is the whole set C. A new way to map the information bits is to insert up to L zeros before each codeword from Cj and let this represent information aswell. This gives high rates for active users but an investigation is needed to ensure that this does not compromise the systems wanted property of sending information with a small probability of errors for all users. Therefore a simulation environment has been implemented in Matlab.

The result from these simulations shows that BER for the L parallel codes is acceptable and not much higher than for the traditional constructions. Because of the higher rate these construction should be preferred but an analysis if a hardware implementation is possible.

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Urbani, Camilla. "Stabilizer Codes for Quantum Error Correction and Synchronization." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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This thesis project aims to deepen the basic concepts of quantum mechanics with particular reference to quantum information theory and quantum error correction codes, fundamental for a correct reception of information. The relations between these codes and classical ones have been investigated, based upon their representation in terms of stabilizers and then developing a possible error detection code. It has also been examined a classical problem in communication systems, namely frame synchronization, discussing it in quantum communication systems.
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Ploštica, Stanislav. "Turbo kódy a jejich aplikace." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-218201.

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This Diploma thesis aims to explain the data coding using turbo codes. These codes belong to the group of error correction codes. We can reach the high efficiency using these codes. The first part describes process of encoding and decoding. There are describes parts of encoder and decoder. Principle of encoding and decoding demonstrate a simple example. The end of this part contains description of two most frequently used decoding algorithms (SOVA and MAP). The second part contains description of computer program that was made for using as teaching aid. This program was created in Matlab GUI. This program enables to browse error correction process step by step. This program contains graphic interface with many options and display results. In the third part is described program created in Matlab Simulink that was implemented into the TMS320C6713 kit and there is description of measuring procedure. For verification of efficiency of turbo codes was measured any parameters. Some of these parameters are: number of decoding iterations, generating polynoms and using of puncturing. The last part contains measured value and result evaluation.
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Šedý, Jakub. "Turbo konvoluční a turbo blokové kódy." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219287.

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The aim is to explain the Turbo convolutional and block turbo codes and decoding the secure message. The practical part focuses on the design of a demonstration program in Matlab. The work is divided into four parts. The first two deal with theoretical analysis of coding and decoding. The third section contains a description created a demonstration program that allows you to navigate the process of encoding and decoding. The fourth is devoted to simulation and performance of turbo codes.
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Ishak, Saiddi A. F. bin Mohamed. "Vibration transmission through structural connections in beams." Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/33007.

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Analysis of vibration transmission and reflection in beam-like engineering structures requires better predictive models to optimise structural behaviour further. Numerous studies have used flexural and longitudinal structural wave motion to model the vibrational response of angled junctions in beam-like structures, to better understand the transmission and reflection properties. This study considers a model of a variable joint angle which joins two semi-infinite rectangular cross-section beams. In a novel approach, the model allows for the joint to expand in size as the angle between the two beams is increased. The material, geometric and dynamics properties were consistently being considered. Thus, making the model a good representation of a wide range of angles. Predicted results are compared to an existing model of a joint between two semi-infinite beams where the joint was modelled as a fixed inertia regardless of the angle between the beams, thus limiting its physical representation, especially at the extremes of angle (two beams lay next to each other at 180 degree joint). Results from experimentation were also compared to the modelling, which is in good agreement for the range of angles investigated. Optimum angles for minimum vibrational power transmission are identified in terms of the frequency of the incoming flexural or longitudinal wave. Extended analysis and effect of adding stiffness and damping (rubber material) at the joint are also reported.
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Závorka, Radek. "Program pro demonstraci kanálového kódování." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413009.

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The main subject of this thesis is creating a programme, used for channel coding demonstration. This programme will be used for teaching purposes. The programme contains various codes from simple ones, to those which almost reach Shanon’s channel capacity theorem. Specifically these are the Hamming code, cyclic code, convolutional code and LDPC code. These functions are based on theoretical background described in this thesis and have been programed in Matlab. Practical output of this thesis is user interface, where the user is able to input information word, simulate transmission through the transmission channel and observe coding and decoding for each code. This thesis also contains a comparison between individual codes, concerning bit-error rate depending on SNR and various parameters. There is a computer lab with theoretical background, assignment and sheets for convenient accomplishment of each task.
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Trčka, Tomáš. "Turbokódy a jejich použití ve sdělovacích systémech." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217561.

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This Diploma thesis deals with Turbo code problems. The Turbo codes belong to the group of error correction codes, sometimes referred to as forward error correcting (FEC) codes or channel codes. This thesis can be thematically divided into two basic parts. The first part describes turbo code encoder and decoder block diagram with the illustration of two most frequently used iterative decoding algorithms (SOVA and MAP). The end of this part contains best known turbo codes, which are used in present communication systems. The second part pursues simulation results for the turbo codes using Binary Phase Shift Keying (BPSK) over Additive White Gaussian Noise (AWGN) channels. These simulations were created in the MATLAB/SIMULINK computer program. It will be shown here, that there exist many different parameters, greatly affecting turbo codes performance. Some of these parameters are: number of decoding iterations used, the input data frame length, generating polynoms and RSC encoders constraint lengths, properly designed interleaving block, decoding algorithm used, etc.
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Hrouza, Ondřej. "LDPC kódy." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219786.

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The aim of this thesis are problematics about LDPC codes. There are described metods to create parity check matrix, where are important structured metods using finite geometry: Euclidean geometry and projectice geometry. Next area in this thesis is decoding LDPC codes. There are presented four metods: Hard-Decision algorithm, Bit-Flipping algorithm, The Sum-Product algorithm and Log Likelihood algorithm, where is mainly focused on iterative decoding methods. Practical output of this work is program LDPC codes created in environment Matlab. The program is divided to two parts -- Practise LDPC codes and Simulation LDPC codes. The result reached by program Simulation LDPC codes is used to create a comparison of creating and decoding methods LDPC codes. For comparison of decoding methods LDPC codes were used BER characteristics and time dependence each method on various parameters LDPC code (number of iteration or size of parity matrix).
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Růžička, Zdeněk. "Modely pro zkoumání vlivu rušení na kvalitativní parametry signálu UMTS." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-233417.

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This dissertation thesis is focused to interference investigation in UMTS network and interference influence to error ratio and signal to noise or interference ratio. There are presented models based on UMTS physical layer specifications that simulate signal transmission and processing. The aim of simulations is to analyze different types of interference and to appoint the possibilities of this interference decrease.
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Books on the topic "Matlab Codes"

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Ferreira, Antonio J. M., and Nicholas Fantuzzi. MATLAB Codes for Finite Element Analysis. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47952-7.

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Kaveh, Ali, and Taha Bakhshpoori. Metaheuristics: Outlines, MATLAB Codes and Examples. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3.

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Magnetics, dielectrics, and wave propagation with MATLAB codes. Boca Raton: CRC Press, 2011.

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Ferreira, A. J. M. MATLAB codes for finite element analysis: Solids and structures. [Dordrecht]: Springer Science & Business Media, 2009.

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MATLAB codes for finite element analysis: Solids and structures. [Dordrecht]: Springer Science & Business Media, 2009.

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A practical guide to error-control coding using MATLAB. Boston: Artech House, 2010.

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Kaveh, Ali, and Taha Bakhshpoori. Metaheuristics: Outlines, MATLAB Codes and Examples. Springer, 2019.

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MATLAB Codes for Finite Element Analysis. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9200-8.

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Vittoria, Carmine. Magnetics, Dielectrics, and Wave Propagation with MATLAB Codes. Taylor & Francis Group, 2010.

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Vittoria, Carmine. Magnetics, Dielectrics, and Wave Propagation with MATLAB Codes. Taylor & Francis Group, 2010.

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Book chapters on the topic "Matlab Codes"

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Weiland, Claus. "MATLAB Codes." In Computational Space Flight Mechanics, 261–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13583-5_14.

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Ferreira, Antonio J. M., and Nicholas Fantuzzi. "Short Introduction to MATLAB." In MATLAB Codes for Finite Element Analysis, 1–25. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47952-7_1.

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Kaveh, Ali, and Taha Bakhshpoori. "Introduction." In Metaheuristics: Outlines, MATLAB Codes and Examples, 1–6. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_1.

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Kaveh, Ali, and Taha Bakhshpoori. "Colliding Bodies Optimization Algorithm." In Metaheuristics: Outlines, MATLAB Codes and Examples, 113–21. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_10.

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Kaveh, Ali, and Taha Bakhshpoori. "Tug of War Optimization Algorithm." In Metaheuristics: Outlines, MATLAB Codes and Examples, 123–35. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_11.

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Kaveh, Ali, and Taha Bakhshpoori. "Water Evaporation Optimization Algorithm." In Metaheuristics: Outlines, MATLAB Codes and Examples, 137–52. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_12.

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Kaveh, Ali, and Taha Bakhshpoori. "Vibrating Particles System Algorithm." In Metaheuristics: Outlines, MATLAB Codes and Examples, 153–65. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_13.

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Kaveh, Ali, and Taha Bakhshpoori. "Cyclical Parthenogenesis Algorithm." In Metaheuristics: Outlines, MATLAB Codes and Examples, 167–77. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_14.

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Kaveh, Ali, and Taha Bakhshpoori. "Thermal Exchange Optimization Algorithm." In Metaheuristics: Outlines, MATLAB Codes and Examples, 179–90. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_15.

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Kaveh, Ali, and Taha Bakhshpoori. "Preliminaries and Frameworks." In Metaheuristics: Outlines, MATLAB Codes and Examples, 7–17. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04067-3_2.

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Conference papers on the topic "Matlab Codes"

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Niton, B., K. T. Pozniak, and R. S. Romaniuk. "Documentation generator application for MatLab source codes." In Optical Fibers and Their Applications 2011, edited by Jan Dorosz and Ryszard S. Romaniuk. SPIE, 2011. http://dx.doi.org/10.1117/12.898393.

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Borcosi, Ilie. "THE�SIMULATION�OF�CYCLIC�CODES�USING�MATLAB�SIMULINK�SIMULATION�PROGRAMMING�ENVIRONMENT." In SGEM2012 12th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2012. http://dx.doi.org/10.5593/sgem2012/s10.v3037.

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Puranik, Aniket, Swapnajeet Nayak, Atul Agnihotri, Abhay Visoriya, Shubham Chouhan, S. K. Jain, and Chandresh Dhote. "Design of microstrip patch antennas using method of moment based MATLAB codes." In 2017 International Conference on Information, Communication, Instrumentation and Control (ICICIC). IEEE, 2017. http://dx.doi.org/10.1109/icomicon.2017.8279068.

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Belyaev, Andrey A., Pavel Poperechny, and Irina Poperechnaya. "Method of the accelerated verification of ECC (Error — Correcting codes) codecs by means of Simulink/Matlab packet." In 2018 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus). IEEE, 2018. http://dx.doi.org/10.1109/eiconrus.2018.8317347.

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Niton, B., K. T. Pozniak, and R. S. Romaniuk. "Documentation generator for VHDL and MatLab source codes for photonic and electronic systems." In Optical Fibers and Their Applications 2011, edited by Jan Dorosz and Ryszard S. Romaniuk. SPIE, 2011. http://dx.doi.org/10.1117/12.898392.

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De Rose, Luiz, and David Padua. "Benchmarking FALCON's MATLAB-to-Fortran 90 Compiler on an SGI Power Challenge." In Simpósio Brasileiro de Arquitetura de Computadores e Processamento de Alto Desempenho. Sociedade Brasileira de Computação, 1997. http://dx.doi.org/10.5753/sbac-pad.1997.22631.

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This paper presents an overview of the FALCON MATLAB-to-Fortran 90 compiler. FALCON is a programming environment for the development of high-performance scientific programa. It combines static and dynamic inference methods to translate MATLAB programa into Fortran 90. The static inference is supported with advanced value propagation techniques and symbolic algorithms for subscript analysis. The experiments presented in this paper show that FALCON's MATLAB compiler can generate code that performs more than 1000 times faster than the interpreted version of MATLAB and substantially faster than a commercially-available MATLAB compiler on one processor of an SGI Power Challenge. Furthermore, for most of the programs we have tested, the compiler-generated codes are as fast as the corresponding hand-written programa.
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7

Lin, Meng, Dong Hou, Zhihong Xu, Yanhua Yang, and Ronghua Zhang. "System Simulation of Nuclear Power Plant by Coupling RELAP5 and Matlab/Simulink." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89333.

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Since RELAP5 code has general and advanced features in thermal-hydraulic computation, it has been widely used in transient and accident safety analysis, experiment planning analysis, and system simulation, etc. So we wish to design, analyze, verify a new Instrumentation And Control (I&C) system of Nuclear Power Plant (NPP) based on the best-estimated code, and even develop our engineering simulator. But because of limited function of simulating control and protection system in RELAP5, it is necessary to expand the function for high efficient, accurate, flexible design and simulation of I&C system. Matlab/Simulink, a scientific computation software, just can compensate the limitation, which is a powerful tool in research and simulation of plant process control. The software is selected as I&C part to be coupled with RELAP5 code to realize system simulation of NPPs. There are two key techniques to be solved. One is the dynamic data exchange, by which Matlab/Simulink receives plant parameters and returns control results. Database is used to communicate the two codes. Accordingly, Dynamic Link Library (DLL) is applied to link database in RELAP5, while DLL and S-Function is applied in Matlab/Simulink. The other problem is synchronization between the two codes for ensuring consistency in global simulation time. Because Matlab/Simulink always computes faster than RELAP5, the simulation time is sent by RELAP5 and received by Matlab/Simulink. A time control subroutine is added into the simulation procedure of Matlab/Simulink to control its simulation advancement. Through these ways, Matlab/Simulink is dynamically coupled with RELAP5. Thus, in Matlab/Simulink, we can freely design control and protection logic of NPPs and test it with best-estimated plant model feedback. A test will be shown to illuminate that results of coupling calculation are nearly the same with one of single RELAP5 with control logic. In practice, a real Pressurized Water Reactor (PWR) is modeled by RELAP5 code, and its main control and protection system is duplicated by Matlab/Simulink. Some steady states and transients are calculated under control of these I&C systems, and the results are compared with the plant test curves. The application showed that it can do exact system simulation of NPPs by coupling RELAP5 and Matlab/Simulink. This paper will mainly focus on the coupling method, plant thermal-hydraulic model, main control logics, test and application results.
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8

Genrup, Magnus, Ivan Carlsson, Ulf Engdar, and Mohsen Assadi. "A Reduced-Order Through-Flow Program for Choked and Cooled Axial Turbines." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68716.

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A reduced-order through-flow program has been developed at the Lund Institute of Technology. The goal of the work was to develop and verify a program suitable for scientific studies of axial turbines. The program has built-in capability for multiple choked stages, and turbine cooling, as well as flexible modules for state, losses, deviation, and blockage. The code uses Matlab™ as a platform for numerics, pre- and post-processing. The turbine modules are available from the Institute free of charge for scientific use. Matlab is a commercially available mathematical package and is used as a numerical tool by many universities and companies. Today, several codes are available for turbine analysis at different levels. Most of the codes are proprietary and not available outside the companies that have developed them. There are, however, commercially available codes, but the user does not normally have accesses to the source code. This poses serious problems when such codes are used for scientific studies, and open easily modified code is indeed a desirable feature. The present paper describes in detail the calculation methods used to simulate performance of a cooled and choked turbine at off-design conditions. The algorithms necessary for finding the turbine choke point will, for example, be described in detail. The way in which the loss, deviation (including secondary and tip clearance), and blockage are included in a quasi 1-D calculation environment is also presented. The code is suitable for further development (e.g. streamline curvature through-flow), since it is based on modules for e.g. state, combustion, loss, deviation, diffuser, numerics, and in-and output data processing. It is fairly easy to transform the Matlab program into e.g. Fortran. However, the use of the original platform simplifies plotting of turbine characteristics, velocity triangles, etc. The program is validated against test-rig data from an industrial two-stage power turbine.
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9

Kim, S. Y., B. H. Kim, and Y. H. Lee. "Numerical analysis of internal flow in the wave-energy converter by CFD and MATLAB codes." In 2014 ISFMFE - 6th International Symposium on Fluid Machinery and Fluid Engineering. Institution of Engineering and Technology, 2014. http://dx.doi.org/10.1049/cp.2014.1226.

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10

Farforovskiy, Dmitriy. "ANALYSIS OF THE EFFECTIVENESS OF CURRENT NOISE-RESISTANT CODES TO INCREASE THE BANDWIDTH OF COMMUNICATION NETWORKS." In CAD/EDA/SIMULATION IN MODERN ELECTRONICS 2019. Bryansk State Technical University, 2019. http://dx.doi.org/10.30987/conferencearticle_5e028214ad4217.57376820.

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The analysis of existing methods of noise-resistant coding is carried out using MATLAB Simulink in terms of efficiency for working in the communication channel with additive white Gaussian noise (AWGN).
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Reports on the topic "Matlab Codes"

1

Bader, Brett William, and Tamara Gibson Kolda. MATLAB tensor classes for fast algorithm prototyping : source code. Office of Scientific and Technical Information (OSTI), October 2004. http://dx.doi.org/10.2172/974874.

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2

Armstrong, Derek Elswick. Mathematical Formulation used by MATLAB Code to Convert FTIR Interferograms to Calibrated Spectra. Office of Scientific and Technical Information (OSTI), July 2016. http://dx.doi.org/10.2172/1291184.

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