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view general/numerical/matrix/iqform.m @ 19:1eb0ea29ec40

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author samer
date Thu, 17 Jan 2013 13:32:19 +0000
parents db7f4afd27c5
children
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function z=iqform(A,u), z=u'*(A\u);
% iqform - Inverse quadratic form: iqform(A,x)=x'*inv(A)*x
%
% iqform :: [[N,N]], [[N,T]] -> [[T,T]].