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I want to write a function that does some image processing and writes the processed images to files. I don't want it to return anything. I can always return a dummy variable which can be ignored, but I'd like to keep my code clean. How can I achieve this in MATLAB?
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The input parameters to the function will be void (that is, no input) and the output will be the two arrays defined in the function. Once you program works, I can then substitute the experimental data.
return forces MATLAB® to return control to the invoking program before it reaches the end of the script or function. The invoking program is a script or function that calls the script or function containing the call to return .
indices = find(X) returns the linear indices corresponding to the nonzero entries of the array X . If none are found, find returns an empty, 0-by-1 matrix.
However, to nest any function in a program file, all functions in that file must use an end statement. You cannot define a nested function inside any of the MATLAB® program control statements, such as if/elseif/else , switch/case , for , while , or try/catch .
Yes.
function [] = my_awesome_function(image,filename,other_inputs) % Do awesome things. end will return nothing. An even simpler version:
function my_awesome_function(image,filename,other_inputs) % Do awesome things. end is equivalent.
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