From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Coordinate on sphere(vector calculus)
Date: Thu, 25 Mar 2010 21:34:05 +0000 (UTC)
Organization: FOGALE nanotech
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References: <hofr3c$jlb$> <hofucs$ob5$> <hofvjo$lpr$> <hog3fg$308$> <hog428$cek$> <hog4r7$otg$> <hog91m$7ge$> <hogb70$f9s$> <hogbk2$mkc$> <hogbvd$skt$> <hoggfm$hkv$> <hogk9k$mpn$>
Reply-To: "Bruno Luong" <b.luong@fogale.findmycountry>
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"Els " <> wrote in message <hogk9k$mpn$>...
> Dear Bruno,
> Thanks a lot for all your effort, but can you help me understand the final step?
> P2 gives all the possible solutions, and where do you use the final check for?

I do not understand the question.

> And in my data, the Q is an empty matrix, which makes it impossible to construct B, any tips?

What is the size of V? V must be a (3x1) vector. P0 and P1 must be also (3x1) vectors.