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From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: intersection of two complex matrices
Date: Wed, 24 Nov 2010 17:41:03 +0000 (UTC)
Organization: FOGALE nanotech
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A small modification:
> y = +(A\QA)*NA*x
> w = -(B\QB)*NB*x

It is better computational wise to do this:
y = +A\(QA*NA*x)
w = -B\(QB*NB*x)

Bruno