Refined Arnoldi Method for Large Symmetric Eigenproblems
CHEN Gui-zhi~1,YE Li-ying~2 (1.School of Mathematical Sciences,Xiamen University,Xiamen 361005,China; 2.School of Sciences,Jimei University,Xiamen 361021,China)
First,we point out that when the refined Arnoldi method is used to compute eigenvectors of a symmetrix matrix corresponding to close eigenvalues,the computed refined Ritz vectors may not be orthonal.Then the cure for the problem is to orthogonalize the refined Ritz vectors using the Gram-Schmidt algorithm.Finally the numerical experiments show that our conclusion is reliable and the cure is efficient.
【CateGory Index】：
O241.6
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.