| Re: [eigen] help: eigen cann't solve this simple ax correctly, but Armadillo c++ can |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] help: eigen cann't solve this simple ax correctly, but Armadillo c++ can
- From: "Janek Kozicki (yade)" <jkozicki-yade@xxxxxxxxx>
- Date: Tue, 8 Sep 2020 16:17:46 +0200
- Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAALVBMVEUBAQEtLS1KSkpRUVFXV1dYWFhjY2Nzc3N3d3eHh4eKioqdnZ24uLjLy8vc3NxVIagyAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH2AIVEzgS1fgQtQAAAjRJREFUOMtt1DFv00AUAOAzFQNbjigSyoQaRaBMhKgLUyKXpVNNeUpk9vyDqFJhQ1kiBuaqAwJCqvPtSLY7RlTn5+5IdnYkkt/AOyfxXVLe5vf53Z1875kd34tOEax8djmj6GyjhB5bxz50GdsVZr9fqRjZwAtKOJw5Wqs2MMZ16ALHsaDncF7xAHix1oEFHAB8f+pRjcO4gfZDykcYzbiucRolOLUJ6kjA0xtVt+A6TySlM0RajIpK6DzwKZ/nOYbF/gclHMo1ZOHYY/+Ha+AWuM+3oMS4eeqYzZ8FiCltgUqI8cd2wwAVpJk+8LWYjBtnJdQpHQqJMd4Oxt4bU9ESiFGc5hkqaH74asAX4iabP5I5gZ+qjgGlJCqZa3h3lxhoeVcSE1qLQC4sqKOK9MGW9E3izFqqHokoztLFEgXg31sbZEKnWi2T74A4NxfVQqlkjKtcAWD+zcArFEES01dR0E/nnV0IgugmDd/2L84sOAouRBBHEc7gtc8teDkRlE0iNQPo2w3Xhh/D4TCIQ4LRLoTvgwjj6RRgavdurxYGMaIuGOyAW/PpNlCcU9/93AHenAWYjPoAwa+G3e3to/MgFNTAEKvKDjzuCzHTnY3qqdXtx24VijzQfZ0yewZ5cwRFQaa+mIYr1uI0I76+3W4xhlvoVRwOA0Fdl64HlJnxP6T8YpX/Lga4Wv4A3ErrU5oTfN7Mu/llXMl8RXEPji/lQkN3H7qXqgC2By47EXeU/7PJ/wPxRKMnuZwIeAAAAABJRU5ErkJggg==
- Organization: Gdańsk University of Technology, YADE software
ztdepyahoo said: (by the date of Tue, 8 Sep 2020 07:31:30 +0800)
> …… exact solution of "cos(6*Pi*x)*cos(6*Pi*y)"
Wow, it looks like this is a nice test case with an exact solution.
Maybe it's worthwhile to add this to eigen tests?
Janek
--
Janek Kozicki, PhD. DSc. Arch. Assoc. Prof.
Gdańsk University of Technology
Faculty of Applied Physics and Mathematics
Department of Theoretical Physics and Quantum Information
--
http://yade-dem.org/
http://pg.edu.pl/jkozicki (click English flag on top right)