view general/numerical/matrix/qforma.m @ 54:9bcf5e133bf0

Added from old stats library.
author samer
date Mon, 23 Feb 2015 16:08:09 +0000
parents db7f4afd27c5
children
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function z=qforma(A,u), z=sum(u.*(A*u));
% qforma - Quadratic form (array version) qforma(A,x)=diag(x'*A*x)
%
% qforma :: [[N,N]], [[N,T]] -> [[1,T]].