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 relatively common elements in matrix rows
Check if number exists in vector
MATCH THE STRINGS (2 CHAR) very easy
Calculate the derivative of a polynomial
Find the hypotenuse
surface of a spherical planet
Multiply a column by a row
Generate one sample of uniform random numbers between -pi and +pi
Inner product of two vectors
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