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Geek Culture / matrix math question

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walaber
21
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Joined: 22nd Oct 2003
Location: Los Angeles, CA
Posted: 23rd Jun 2004 06:49
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Okay, for those of you familiar with matrix math, I have a problem that I can't figure out how to solve, so I thought I'd ask all of you.

I have 2 rotation matrices, A and B. both matrices describe a rotation from the global origin.

what I need is to calculate a 3rd matrix, C, which describes how to get from A to B. in other words, let's say I have rotated an object by matrix A. now I want to rotate it to matrix B. so I need a new matrix that will rotate from orientation A to orientation B.

does anyone know how to calculate this matrix given matrix A and B?

I'd really appreciate any help anyone can give...

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IanM
Retired Moderator
22
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Joined: 11th Sep 2002
Location: In my moon base
Posted: 23rd Jun 2004 15:38
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There is a fairly simple explanation here : http://people.hofstra.edu/faculty/Stefan_Waner/RealWorld/tutorialsf1/frames3_2.html

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