The function definition line inform MATLAB that the M-file includes a function, and specifies the argument calling sequence of the function. Text in the body of the programs that describe the internal working of the program.
Program code that executes the actual evaluation and assigns values to any output argument. MATLAB Functions What is a MATLAB function A MATLAB function is a MATLAB program that performs a sequence of operations specified in a text file (called an m-file because it must be saved with a file extension of. Let us take one more example to plot the function y x 2. x 0:5:100 y x plot(x, y) When you run the file, MATLAB displays the following plot. Create a script file and type the following code. It defines the function name, and the number and the order of input and output argument.Ī one-line summary definition of the program, displayed when you request help on an entire directory, or when you use lookfor.Ī more detailed definition of the program, displayed together with the H1 line when you request help on a specific function Let us plot the simple function y x for the range of values for x from 0 to 100, with an increment of 5. M-File Elementįunction definition line (functions only) In MATLAB environment, they are stored in a certain file like script files, etc. Here are some basic tips to help type functions in MATLAB. MATLAB Functions are written with various lines of code that relate one variable with another variable, and each output is related exactly to one particular input that forms an important part of any programming language.
It is a good idea to put a space in between them so your code looks neat. Both function and script can have all of these elements except for the function definition line which, applies to functions only. After you set up the independent variables you can type the function.
The software described in this document is furnished under a license agreement. The table below shortly defines each of these M-file part. MATLAB Commands 1 MATLAB Commands and Functions Dr. COPYRIGHT 1984 - 1999 by The MathWorks, Inc. % FACT(N) returns the factorial of N, Help text Function f = fact(n) Function definition line