MATLAB: What does ‘@’ mean in a matlab expression

@MATLAB

For example [x,y] = foo1(@(x) foo2(x),z);

Thank you in advance for your help.

Best Answer

It means your are referencing a function handle or creating an anonymous function.

doc function_handle

and

Anonymous functions

Related Solutions

MATLAB: Can anybody explain such a function handle in Matlab

This explains anonymous functions:

http://www.mathworks.com/help/matlab/matlab_prog/anonymous-functions.html

and this explains nested functions:

http://www.mathworks.com/help/matlab/matlab_prog/nested-functions.html

Together these two documents explain what you have given in your question:

@(z)                    % creates an anonymous function,
    func_example        % which calls this function
                (x,y,z) % with these arguments

Note that x and y must be defined in the workspace outside this function, while the z is passed as a variable to the anonymous function.

MATLAB: What does “~” mean in symbolic expression

I do not know if it is used in MuPAD (it might be), but in Maple, the ~ immediately after a name indicates that the name has assumptions associated with it, usually assumptions added by the user. For example, an assumption that it is real, or integer valued, or in a particular range.

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Related Solutions

MATLAB: Can anybody explain such a function handle in Matlab

MATLAB: What does “~” mean in symbolic expression

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