Comments on: Rotation Matrices http://www.sunclipse.org/?p=148 "no matter how gifted, you alone cannot change the world" Tue, 02 Sep 2008 04:09:41 +0000 hourly 1 http://wordpress.org/?v=3.5.1 By: Blake Stacey http://www.sunclipse.org/?p=148#comment-2112 Blake Stacey Thu, 28 Jun 2007 11:15:57 +0000 http://www.sunclipse.org/?p=148#comment-2112 Gah!

I had originally calculated all these matrices and things for rotations of the coordinate axes, which is the same as rotating the points by the opposite angle, so I’m not surprised I had some stray minus signs drifting about.

]]> By: Eric http://www.sunclipse.org/?p=148#comment-2095 Eric Thu, 28 Jun 2007 06:15:38 +0000 http://www.sunclipse.org/?p=148#comment-2095 Looks like you’ve got a sign error in the calculation of [Iz,Ix].
[Iz,Ix]=Iy, but the matrix you’ve written is -Iy. Nice post though.

]]> By: ERV http://www.sunclipse.org/?p=148#comment-2082 ERV Thu, 28 Jun 2007 01:25:02 +0000 http://www.sunclipse.org/?p=148#comment-2082 This is just your penance for having the audacity, the audacity, sir, to miss one of my Behe posts :P

TAG!

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