4/13/2023 0 Comments Matlab standard deviation![]() ![]() rand ( 765, 478 ) quick_filt = window_stdev ( x, 5 ) slow_filt = generic_filter ( x, np. Just to prove how much faster this implementation is than the generic filter, here are some benchmarks on different size arrays.įinally, as a sanity check to make sure they both output the same results on randomly sized matrices: 1 \[s_\) which is what was done above since the window size was 3. Matlab defaults to the population standard deviation: ![]() ![]() I thought maybe python’s implementation was incorrect. I found this out after messing with python’s implementation of a standard deviation filter for half an hour. The default standard deviation in Matlab and python do not return the same value. Recently, I was porting some code from Matlab to python when I came across an interesting bit of information.
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