Eigenvectors and solution to sparse linear system. -- CFD Online Discussion Forums

August 6, 2009, 21:13	Eigenvectors and solution to sparse linear system.	#1
mr_fluent Member MrFluent Join Date: Mar 2009 Posts: 33 Rep Power: 17	Lets say i want to solve a system Ax = b A is sparse matrix. consider a case where i know all the eigenvalues and their corrosponding eigenvectors. Using this information, what is the fastest cheapest way to solve Ax = b Any pointers would be appreciated. I know one way but that is slow.

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