Error: Function definition are not supported in this context. Functions can only be created as local or nested functions in code files.

function [mvnx] = load_mvnx('New-Session-002');

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Error: Function definition are not supported in this context. Functions can only be created as local or nested functions in code files.

How do I fix this error in "load_mvnx.m" code?

Answer 1

[Cris LaPierre]

You'd have to share your .m file for us to say for certain, but the error message you are getting suggests you are trying to define a function in a location where it is not allowed.

You can define functions at the bottom of a script or in their own file. See here.

Answer 2

[Image Analyst]

You have your m-file something like this

function [mvnx] = load_mvnx('New-Session-002');
% code
end % of load_mvnx
% Now script is defined below the function definition.
clc
output = load_mvnx

when it should be like this:

clc;
filename = 'New-Session-002';
[mvnx] = load_mvnx(filename) % Call the function

% Define the function at the bottom of the m-file, below the script part.
function [mvnx] = load_mvnx(filename)
% code
end % of load_mvnx.  The "end" is required if you're defining a function in a script m-file.

The script should be called something like test.m, not load_mvnx.m.