why matlab software is used?
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MATLAB is a high-performance language for technical computing. It integrates computation, visualization, and programming in an easy-to-use environment where problems and solutions are expressed in familiar mathematical notation. ... Data analysis, exploration, and visualization.
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Y = fft2( X ) returns the two-dimensional Fourier transform of a matrix using a fast Fourier transform algorithm, which is equivalent to computing fft(fft(X). ... If X is a multidimensional array, then fft2 takes the 2-D transform of each dimension higher than 2. The output Y is the same size as X .
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MATLAB is a terrible programming language. ... The MATLAB language was originally designed for numerical computation (like PHP was designed to insert small dynamic elements into mostly static HTML pages), but then kept gaining features that turn it into something closer to a general purpose programming language.
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svd (MATLAB Functions) The svd command computes the matrix singular value decomposition. s = svd(X) returns a vector of singular values. [U,S,V] = svd(X) produces a diagonal matrix S of the same dimension as X , with nonnegative diagonal elements in decreasing order, and unitary matrices U and V so that X = U*S*V'.
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Estimation software is easy to use and estimates the projected construction costs. ... In short, estimation software not only estimates the costs of the software, but also helps project managers by easing and fulfilling tasks that are usually left for accountants (who, by the way, cost money).
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Logical Operators & | ~ (MATLAB Function Reference) The symbols & , | , and ~ are the logical operators and, or, and not. They work element-wise on arrays, with 0 representing logical false ( F ), and anything nonzero representing logical true ( T ).
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UML can be used to develop diagrams and provide users (programmers) with ready-to-use, expressive modeling examples. Some UML tools generate program language code from UML. ... UML is a graphical language for visualizing, specifying, constructing, and documenting information about software-intensive systems.
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Import Spreadsheet Data Using the Import Tool The Import Tool allows you to import into a table or other data type. For example, read data from the sample spreadsheet file patients. xls as a table in MATLAB. Open the file using the Import Tool and select options such as the range of data and the output type.
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axis (MATLAB Function Reference) axis manipulates commonly used axes properties. ... The returned values are the current axes' XLim , Ylim , and ZLim properties. axis auto sets MATLAB to its default behavior of computing the current axes' limits automatically, based on the minimum and maximum values of x, y, and z data.
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MATLAB vs Octave are mainly used for the same purpose. The main difference is syntax and other features. Matlab consist of specialized toolboxes which are not part of Octave. ... The main goal of the octave is to give freedom to users to choose which software to use run their code.
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Accepted Answer Functions that are frequently used or that can take more time to execute are often implemented as executable files. These functions are called built-ins. Unlike MATLAB program file functions, you cannot see the source code for built-ins.
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MATLAB – FREE for students. ... Students may use these products for teaching, research, and learning at no charge. The license allows all students to install the products on personally owned computers. (Please see installation instructions pdf).
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visdiff( name 1, name 2) displays the differences between the two specified files or folders in the Comparison Tool. The File Comparison Tool supports many file types such as MATLAB®code files, zip files, MAT-files, and various other MATLAB and Simulink® file formats.
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However MATLAB has indexing of arrays beginning from 1 instead of 0, which is the norm in almost every programming languages I have encountered so far. ... Hence it makes sense to have indexing from 0 in programming languages.
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The MATLAB Command Window is the main window where you type commands directly to the MATLAB interpreter. The MATLAB Editor Window is a simple text editor where you can load, edit and save complete MATLAB programs. ... It also has a number of example programs and tutorials.
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It is difficult to represent real-world systems in terms of mathematical relationships. Data are often unavailable or inaccurate. Combining the sub- system models to create the model is seldom simple. Assumptions and estimates must be made at almost every step of the process.
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['On the MATLAB Home tab, click Simulink. ... ', 'In the Simulink Editor, on the Simulation tab, select Open > Recent Models and choose a recent model.', 'At the MATLAB command prompt, enter the name of the model without a file extension, for example, vdp .']