How to use flops in R2021a?
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I just want to measure flops in a programme, e.g.
flops(0)
W = zeros(k,n);
flops
But I get the error message "Unrecognized function or variable 'flops'." And I don't understand this. "flops" is a normal function defined by default in Matlab. I use Matlab R2021a.
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回答(2 个)
Walter Roberson
2021-4-25
flops() was removed from MATLAB 20 years ago.
http://galton.uchicago.edu/~lekheng/courses/309f14/flops/
https://www.mathworks.com/matlabcentral/answers/51687-how-to-measure-flops-of-a-matlab-function
https://www.mathworks.com/matlabcentral/answers/5703-how-many-flops-floating-point-operations-needs-to-be-done-in-a-matriix-inverse#answer_7991
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Philip Borghesani
2021-4-25
The flops function was removed from MATLAB in version 6.0 in 2000. There are some user contributed replacements but they all have limitations.
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