Display MATLAB Version. Open Live Script. Ans = '9.7.0.1190202 (R2019b)' Display MATLAB Release. Open Live Script. Display the release, prefaced by descriptive text. 'Release R' version('-release') ans = 'Release R2019b' Display Release Version and Date as Separate Values.
Download MATLAB 7 free setup for windows. MATLAB 7 is technical computing language and interactive environment that helps the programmers and researchers in algorithm development, data visualization, data analysis, and numerical computation.
MATLAB 7 Overview
The MATLAB 7 is High-level language (HLL) for technical computing and numerical computation. It is the complete development environment that helps the programmers, researchers and data analysts in a wide range of applications, including signal and image processing, communications, control design, test and measurement, financial modeling and analysis, and computational biology. With the help of MATLAB 7 users can solve technical computing problems faster than with traditional programming languages. For solving particular classes of problems in specific application areas there are Add-on toolboxes available which extend the MATLAB environment.
The brightest feature of this awesome development tool is that it allows developers to integrate their MATLAB code with other languages and applications, and distribute MATLAB algorithms and applications. There are many new features added in this version like cholcov function and line-hyptest etc. The cholcov function is used for the computation of Cholesky-like decomposition while line-hyptest performs the linear hypothesis test. All in a nutshell, if you are looking best development kit for algorithm development, data visualization, data analysis, and numerical computation then we highly recommend you MATLAB V7.
Features of MATLAB 7
System Requirements for MATLAB 7
Download MATLAB 7 Free
Click on the link given below to download MATLAB V7 free setup. This is the complete offline setup of MATLAB V7 which has excellent compatibility with all latest and famous operating systems.
MATLAB (matrix laboratory) is a multi-paradigmnumerical computing environment and proprietary programming language developed by MathWorks. MATLAB allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages, including C, C++, C#, Java, Fortran and Python.
Although MATLAB is intended primarily for numerical computing, an optional toolbox uses the MuPADsymbolic engine, allowing access to symbolic computing abilities. An additional package, Simulink, adds graphical multi-domain simulation and model-based design for dynamic and embedded systems.
As of 2018, MATLAB has more than 3 million users worldwide.[7] MATLAB users come from various backgrounds of engineering, science, and economics.
History[edit]
Cleve Moler, the chairman of the computer science department at the University of New Mexico, started developing MATLAB in the late 1970s.[8] He designed it to give his students access to LINPACK and EISPACK without them having to learn Fortran. It soon spread to other universities and found a strong audience within the applied mathematics community. Jack Little, an engineer, was exposed to it during a visit Moler made to Stanford University in 1983. Recognizing its commercial potential, he joined with Moler and Steve Bangert. They rewrote MATLAB in C and founded MathWorks in 1984 to continue its development. These rewritten libraries were known as JACKPAC.[9] In 2000, MATLAB was rewritten to use a newer set of libraries for matrix manipulation, LAPACK.[10]
MATLAB was first adopted by researchers and practitioners in control engineering, Little's specialty, but quickly spread to many other domains. It is now also used in education, in particular the teaching of linear algebra and numerical analysis, and is popular amongst scientists involved in image processing.[8]
Syntax[edit]
The MATLAB application is built around the MATLAB scripting language. Common usage of the MATLAB application involves using the Command Window as an interactive mathematical shell or executing text files containing MATLAB code.[11]
Variables[edit]
Variables are defined using the assignment operator,
= . MATLAB is a weakly typed programming language because types are implicitly converted.[12] It is an inferred typed language because variables can be assigned without declaring their type, except if they are to be treated as symbolic objects,[13] and that their type can change. Values can come from constants, from computation involving values of other variables, or from the output of a function. For example:
Vectors and matrices[edit]
A simple array is defined using the colon syntax: initial
: increment: terminator. For instance:
defines a variable named
array (or assigns a new value to an existing variable with the name array ) which is an array consisting of the values 1, 3, 5, 7, and 9. That is, the array starts at 1 (the initial value), increments with each step from the previous value by 2 (the increment value), and stops once it reaches (or to avoid exceeding) 9 (the terminator value).
the increment value can actually be left out of this syntax (along with one of the colons), to use a default value of 1.
assigns to the variable named
ari an array with the values 1, 2, 3, 4, and 5, since the default value of 1 is used as the incrementer.
Indexing is one-based,[14] which is the usual convention for matrices in mathematics, although not for some programming languages such as C, C++, and Java.
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Matrices can be defined by separating the elements of a row with blank space or comma and using a semicolon to terminate each row. The list of elements should be surrounded by square brackets: []. Parentheses: () are used to access elements and subarrays (they are also used to denote a function argument list).
Sets of indices can be specified by expressions such as '2:4', which evaluates to [2, 3, 4]. For example, a submatrix taken from rows 2 through 4 and columns 3 through 4 can be written as:
A square identity matrix of size n can be generated using the function eye, and matrices of any size with zeros or ones can be generated with the functions zeros and ones, respectively.
Transposing a vector or a matrix is done either by the function transpose or by adding prime after a dot to the matrix. Without the dot MATLAB will perform conjugate transpose.
Most MATLAB functions can accept matrices and will apply themselves to each element. For example,
mod(2*J,n) will multiply every element in 'J' by 2, and then reduce each element modulo 'n'. MATLAB does include standard 'for' and 'while' loops, but (as in other similar applications such as R), using the vectorized notation often produces code that is faster to execute. This code, excerpted from the function magic.m, creates a magic squareM for odd values of n (MATLAB function meshgrid is used here to generate square matrices I and J containing 1:n).
Structures[edit]
MATLAB has structure data types.[15] Since all variables in MATLAB are arrays, a more adequate name is 'structure array', where each element of the array has the same field names. In addition, MATLAB supports dynamic field names[16] (field look-ups by name, field manipulations, etc.). Unfortunately, MATLAB JIT does not support MATLAB structures, therefore just a simple bundling of various variables into a structure will come at a cost.[17]
Functions[edit]
When creating a MATLAB function, the name of the file should match the name of the first function in the file. Valid function names begin with an alphabetic character, and can contain letters, numbers, or underscores. Functions are often case sensitive.
Function handles[edit]
MATLAB supports elements of lambda calculus by introducing function handles,[18] or function references, which are implemented either in .m files or anonymous[19]/nested functions.[20]
Matlab Version 7.7Classes and object-oriented programming[edit]
MATLAB supports object-oriented programming including classes, inheritance, virtual dispatch, packages, pass-by-value semantics, and pass-by-reference semantics.[21] However, the syntax and calling conventions are significantly different from other languages. MATLAB has value classes and reference classes, depending on whether the class has handle as a super-class (for reference classes) or not (for value classes).[22]
Method call behavior is different between value and reference classes. For example, a call to a method
can alter any member of object only if object is an instance of a reference class.
An example of a simple class is provided below.
When put into a file named hello.m, this can be executed with the following commands:
Graphics and graphical user interface programming[edit]
MATLAB supports developing applications with graphical user interface (GUI) features. MATLAB includes GUIDE[23] (GUI development environment) for graphically designing GUIs.[24] It also has tightly integrated graph-plotting features. For example, the function plot can be used to produce a graph from two vectors x and y. The code:
produces the following figure of the sine function:
A MATLAB program can produce three-dimensional graphics using the functions surf, plot3 or mesh.
In MATLAB, graphical user interfaces can be programmed with the GUI design environment (GUIDE) tool.[25]
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Download Matlab For Windows 7Interfacing with other languages[edit]
MATLAB can call functions and subroutines written in the programming languages C or Fortran.[26] A wrapper function is created allowing MATLAB data types to be passed and returned. MEX files (MATLAB executables) are the dynamically loadable object files created by compiling such functions.[27][28] Since 2014 increasing two-way interfacing with Python was being added.[29][30]
Libraries written in Perl, Java, ActiveX or .NET can be directly called from MATLAB,[31][32] and many MATLAB libraries (for example XML or SQL support) are implemented as wrappers around Java or ActiveX libraries. Calling MATLAB from Java is more complicated, but can be done with a MATLAB toolbox[33] which is sold separately by MathWorks, or using an undocumented mechanism called JMI (Java-to-MATLAB Interface),[34][35] (which should not be confused with the unrelated Java Metadata Interface that is also called JMI). Official MATLAB API for Java was added in 2016.[36]
As alternatives to the MuPAD based Symbolic Math Toolbox available from MathWorks, MATLAB can be connected to Maple or Mathematica.[37][38]
Libraries also exist to import and export MathML.[39]
License[edit]
MATLAB is a proprietary product of MathWorks, so users are subject to vendor lock-in.[40][41] Although MATLAB Builder products can deploy MATLAB functions as library files which can be used with .NET[42] or Java[43] application building environment, future development will still be tied to the MATLAB language.
Each toolbox is purchased separately. If an evaluation license is requested, the MathWorks sales department requires detailed information about the project for which MATLAB is to be evaluated.[citation needed] If granted (which it often is), the evaluation license is valid for two to four weeks.[citation needed] A student version of MATLAB is available as is a home-use license for MATLAB, Simulink, and a subset of Mathwork's Toolboxes at substantially reduced prices.[citation needed]
It has been reported that European Union (EU) competition regulators are investigating whether MathWorks refused to sell licenses to a competitor.[44] The regulators dropped the investigation after the complainant withdrew its accusation and no evidence of wrongdoing was found.[45]
Alternatives[edit]
MATLAB has a number of competitors.[46] Commercial competitors include Mathematica, TK Solver, Maple, and IDL. There are also freeopen source alternatives to MATLAB, in particular GNU Octave, Scilab, FreeMat, and SageMath, which are intended to be mostly compatible with the MATLAB language; the Julia programming language also initially used MATLAB-like syntax. Among other languages that treat arrays as basic entities (array programming languages) are APL, Fortran 90 and higher, S-Lang, as well as the statistical languages R and S. There are also libraries to add similar functionality to existing languages, such as IT++ for C++, Perl Data Language for Perl, ILNumerics for .NET, NumPy/SciPy/matplotlib for Python, SciLua/Torch for Lua, SciRuby for Ruby, and Numeric.js for JavaScript.
GNU Octave is unique from other alternatives because it treats incompatibility with MATLAB as a bug (see MATLAB Compatibility of GNU Octave), therefore, making GNU Octave a superset of the MATLAB language.
Release history[edit]
The number (or release number) is the version reported by Concurrent License Manager program FLEXlm.
For a complete list of changes of both MATLAB and official toolboxes, consult the MATLAB release notes.[97]
File extensions[edit]MATLAB[edit]
![]() Simulink[edit]
Matlab Version 7Simscape[edit]
MuPAD[edit]
Third-party[edit]
Easter eggs[edit]
Several easter eggs exist in MATLAB.[111] These include hidden pictures,[112] and jokes. For example, typing in 'spy' used to generate a picture of the spies from Spy vs Spy, but now displays an image of a dog. Typing in 'why' randomly outputs a philosophical answer. Other commands include 'penny', 'toilet', 'image', and 'life'. Not every Easter egg appears in every version of MATLAB.
See also[edit]Notes[edit]
References[edit]
External links[edit]
Matlab Save Version 7.3
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