how much memory need to find eigenvalues and eigenvectors of a matrix

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mim 2013-8-16

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https://ww2.mathworks.cn/matlabcentral/answers/84914-how-much-memory-need-to-find-eigenvalues-and-eigenvectors-of-a-matrix

I have a code in MATLAB and I want to run it for a very big sample size. But I do not know how much time it taks. The main point of my code is finding eigenvalues and eigenvectors of a matrix and the rest I think does not take time. Is there any way to estimate the time for using ``eig" function