We discussed it and decided, that WM3 calculates eigenDecomposition wrongly, as I remember:
http://www.mail-archive.com/yade-dev@lists.launchpad.net/msg02718.html http://www.mail-archive.com/yade-dev@lists.launchpad.net/msg02884.html Maybe here too http://www.mail-archive.com/yade-dev@lists.launchpad.net/msg02609.html ______________________________ Anton Gladkyy 2010/5/14 Václav Šmilauer <eudo...@arcig.cz> > Yes, I know they are straight. Their relative position is computed > wrong, which seems to come from different rotation matrix ordering from > Eigen in lib/base/Math.hpp, function matrixEigenDecomposition. > https://bugs.launchpad.net/yade/+bug/577581 > > If you could compare in depth (by source) what wm3 and eigen computes, > that would be great. (BTW eigen has excellent docs, you don't have to go > to sources for that one, I think: http://eigen.tuxfamily.org) > > Cheers, v. > > > > _______________________________________________ > Mailing list: > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > Post to : yade-dev@lists.launchpad.net > Unsubscribe : > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > More help : https://help.launchpad.net/ListHelp >
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