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	<title>Real-Time Physics Simulation Forum</title>
	
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	<updated>2016-01-04T01:28:31+00:00</updated>

	<author><name><![CDATA[Real-Time Physics Simulation Forum]]></name></author>
	<id>https://pybullet.org/Bullet/phpBB3/app.php/feed/topic/10987</id>

		<entry>
		<author><name><![CDATA[chakovolvo]]></name></author>
		<updated>2016-01-04T01:28:31+00:00</updated>

		<published>2016-01-04T01:28:31+00:00</published>
		<id>https://pybullet.org/Bullet/phpBB3/viewtopic.php?p=36801#p36801</id>
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		<title type="html"><![CDATA[robust iterative methods for near singular linear systems]]></title>

		
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hello, i need to solve a near singular linear system of equations to do inelastic projection as a fail-safe in collision handling,  i tried sparseqr from eigen, gmres from iml and an own implementation of minresqlp, the only method near to success was gmres but it breaks down eventually ( because of Arnoldi vectors of norm 0 i guess) ,<br><br><a href="http://www.cs.columbia.edu/cg/pdfs/RTSC.pdf" class="postlink">http://www.cs.columbia.edu/cg/pdfs/RTSC.pdf</a><p>Statistics: Posted by <a href="https://pybullet.org/Bullet/phpBB3/memberlist.php?mode=viewprofile&amp;u=11577">chakovolvo</a> — Mon Jan 04, 2016 1:28 am</p><hr />
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