[Help] Find number a to minimize sigma(square(a-x[i]))

Правка en1, от green_dragon, 2015-11-01 16:28:05

Given a sorted sequence of real numbers x[1],x[2],...,x[n]. Find a real number A to minimize:

This would be easy if the exponential number isn't presented: A=x[(n+1)/2]

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en1 Английский green_dragon 2015-11-01 16:28:05 326 Initial revision (published)