MATLAB: How to call a function

functionmatlab functionsimulation

Hi,

I am running a simulation program. in each simulation i have to use a number which i have to generate in a separate function.

The issue for me is can I call a function with out an INPUT and get the output.

Any small example code is highly appreciated!

dav

Best Answer

Write the function you need and save it in the active directory or on the path i.e.

function [newnumber] = examplefunction

newnumber = rand;

end

From command window or in other m-file call the function by simply writing: -

x = examplefunction;

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MATLAB: Call different functions

Hello,

I have 'fun1.m'

function fun1(x,y)
disp(x+y);

I have 'fun2.m'

function fun2(x2,y2)
disp(x2-y2);

Then I have a m-file

clear; clc;
funList = {'fun1','fun2'};
disp('1] fun1(x,y)     2] fun2(x2,y2)');
choice = input('Select function [1/2] : ');
funstr = str2mat(funList(choice));
hnd = str2func(funstr);
var1 = input('Input 1st parameter : ');
var2 = input('Input 2nd parameter : ');
hnd(var1,var2);

Just try to run it.

MATLAB: Cannot call function

Inline functions are not evaluated in your current workspace. "myinter" is defined in only in your current workspace, and so is not available to "myfun"

Try

myinter = @(xdata, ydata, vari) interp1(xdata,ydata,vari);
myfun = @(xdata, ydata, vari) 3 * myinter(xdata, ydata, vari);

Note: in this situation you could abbreviate

myinter = @interp1;

Best Answer

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MATLAB: Call different functions

MATLAB: Cannot call function

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