function ans = arraygcd(a)
% a=[45 15 200 300];
Note that all solutions (which passed the limited test suite with small size) involving only pair-wise gcd calculations are indeed incorrect. Those solutions include the following ones: 1) min(gcd(a,min(a))); 2) min(gcd(a(1), a)); 3) min(min(bsxfun(@gcd,a,a.'))); To eliminate these incorrect solutions, please simply add a test case with a = [21 15 35].
Reindex a vector
Set some matrix elements to zero
Calculate the height of an object dropped from the sky
Max index of 3D array
calculate linear convolution two vectors
Distance walked 1D
Tell me the slope
pressure to dB?
Predicting life and death of a memory-less light bulb
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