Creating Function in Files in MATLAB Last Updated : 28 Apr, 2025 Comments Improve Suggest changes Like Article Like Report MATLAB is a high-performance language that is used for matrix manipulation, performing technical computations, graph plottings, etc. It stands for Matrix Laboratory. Functions:The function is a set of statements or commands, which take input/s as parameters and return output. We write functions to use it again and again in the program i.e. it makes a block of code reusable. It makes it easier to find errors and also reduces code redundancy. Types of Function:Library Functions: In MATLAB Software, there are some inbuilt functions, which take input as arguments and return output. E.g. log(x), sqrt(x), line space(a,b,n), etc.User-Defined Functions: In MATLAB, we also create functions by writing Matlab commands in files that take input/s as argument/s and then return the output. Also, save the function file using the name of the function itself. Steps to Create a Function File in MATLAB:Step 1: Create a file and write commands using the function keyword.Step 2: Save the function file with the same name as the function. Here I have saved the file with the name solve.m.Step 3: Use the function in Command Video by providing suitable argument/s.Now we see creating a function and saving it in MATLAB. Example 1: Matlab % function to calculate sin(x)+cos(x) where x is in radians % Here solve is the name of the function which % will return x and takes an argument a function x = solve(a) x = sin(a) + cos(a); Using the function to be called in Command Window. Example 2: Matlab input = 1.5708; % display the function's output disp(solve(input)); Output: The above screenshot is showing: Function saved as a file named solve.mCommand Window in which we are calling function for various inputs. Comment More infoAdvertise with us Next Article Creating Function in Files in MATLAB A akashish__ Follow Improve Article Tags : Software Engineering MATLAB-Functions Similar Reads How to create a function in MATLAB ? A function is a block of statements that intend to perform a specific task. Functions allow the users to reuse the code frequently. MATLAB has several predefined functions which are ready to use such as sin(), fact(), cos() etc. MATLAB also allows the users to define their own functions. Syntax: fun 2 min read Defining Function Handles in MATLAB A MATLAB data type that represents a function is called a function handle, in other words, we say that The function handle is a typical data type in MATLAB. Function handles can therefore be modified and used in the same way as other MATLAB data types. Using function handles in arrays, structures, a 3 min read User defined function in MATLAB Functions let you do a specific task. User defined functions are the functions created by the users according to their needs. This article explains how the user defined function in MATLAB is created. Syntax : function [a1,...,an] = func(x1,...,xm) func is the function name a1,...,an are outputs x1,. 2 min read Anonymous Functions in MATLAB A block of code that is organized in such a way that is reusable for the entire program. Functions are used for reducing efforts made by writing code and making the program short, and easily understandable. There are different syntaxes for declaring a function in different programming languages. In 5 min read Alternatives To Eval Function in MATLAB The eval function is one of MATLAB's most powerful and flexible commands. Eval is an acronym for evaluating, which is exactly what it does: it evaluates MATLAB expressions. Any command that can be executed from the MATLAB prompt may be executed from a Mfile using eval. Use of Eval Function:The Eval 3 min read Clean Up When Functions Complete in MATLAB While working in MATLAB, handling the workspaces is crucial for the proper working of multiple scripts and functions. That is why it is a healthy habit to clean up the MATLAB workspace once a function execution is completed. Some of the requirements for performing a cleanup routine, cleaning up all 4 min read Functions in MATLAB Methods are also popularly known as functions. The main aim of the methods is to reuse the code. A method is a block of code which is invoked and executed when it is called by the user. It contains local workspace and independent of base workspace which belongs to command prompt. Let's take a glance 5 min read Scripts and Functions in MATLAB In MATLAB there are a different kinds of files dedicated to MATLAB codes. They are the following: ScriptLive ScriptFunction only fileClass fileNow only the live script is the only one of these which has a different extension name; all other three use the standard .m extension. In this article, we sh 2 min read Calling a Python function from MATLAB We can call the Python functions and objects directly from MATLAB. To call Python functions from MATLAB, need to install a supported version of  Python. MATLAB supports versions 2.7, 3.6, and 3.7 MATLAB  loads Python when you type py.command. py.modulename.functionname Below examples shows how to ca 1 min read Plot Expression or Function in MATLAB In this article, we will discuss how to plot expressions or functions in MATLAB. We can make use fplot() function in MATLAB to generate the plot corresponding to an expression or function. There are different variants of fplot() function fplot(f)fplot(f,xinterval)fplot(___,LineSpec)fplot(___,Name,Va 3 min read Like