[R] Matrix operations

From: Dmitrij Kudriavcev <dimitrij.kudriavcev_at_ntsg.lt>
Date: Tue, 29 Jun 2010 12:28:33 +1000


Hello

I have a quick question.

I need to compute matrix in R, like A <- t(X) %*% solve(V) %*% X, where X is a vector and V is a matrix

This code works, but now i want to optimize it. I have try:

A <- crossprod(X, solve(V)) %*% X

Is there another, better way?

WBR
Dima

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