MATLAB: Error: Function definitions are not permitted in this context.

error: function definitions are not permitted in this context.

>> function [cim, r, c] = harris(im, sigma, thresh, radius, disp)
??? function [cim, r, c] = harris(im, sigma, thresh, radius, disp)
Error: Function definitions are not permitted in this context.

what is the problem. what will ı do?

Best Answer

You have to write your function in the Editor and save it as a function file (‘.m’) file. See the documentation on Function Basics for details.

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MATLAB: Error: Function definitions are not permitted in this context.

You probably have that function below a script in your m-file. You can't mix a script and a function in the same file. You can have two functions though. So if your file is called test.m, you could have all this in the single file:

function test()
    area = calcarea(10)
end
function area = calcarea(rad)
    area = pi*rad.^2;
end

Or you could have them in two separate files:

A script in test.m:

area = calcarea(10)

A function in calcarea.m:

function area = calcarea(rad)
    area = pi*rad.^2;
end

MATLAB: Error: Function definitions are not permitted in this context.

It is never permitted to use a "function" statement at the MATLAB command line.

In R2016a and earlier, it is not permitted to use a "function" statement in a script file (a .m file that does not start with 'function' or 'classdef')

In R2016b and later, it become possible to put "function" at the end of a script file. This has some restrictions, including that each "function" must have a matching "end" statement

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MATLAB: Error: Function definitions are not permitted in this context.

MATLAB: Error: Function definitions are not permitted in this context.

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