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].
Find the "ordinary" or Euclidean distance between A and Z
Better bullseye matrix
Back to basics 20 - singleton dimensions
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Distance walked 1D
Create One Large Eye of size N x N Quickly?
Size of this cup?
Surface Fit z(x,y)
Given a number N, find the smallest prime P>N
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