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Tim Davis
E-mail: davis@cise.ufl.edu
Company / University: Univ of Florida
Country: United States
Location: 29.648483, -82.34458

Personal Profile:
Professor, Univ of Florida. Member of the SIAM Council ( http://www.siam.org/about/board.php ). Author/co-author of many built-in sparse functions in MATLAB: [L,U,P,Q] = lu (A) when A is sparse (UMFPACK), L=chol(A) (CHOLMOD), x=A\b when A is sparse and square, COLAMD, SYMAMD, AMD, ETREE, DMPERM, SYMBFACT, and sparse matrix multiply (sparse-times-sparse and sparse-times-dense). See also http://www.cise.ufl.edu/~davis . Much of this work is discussed in my book "Direct Methods for Sparse Linear Systems", SIAM, Sept. 2006, which presents the theory and practice of sparse matrix algorithms, and discusses how MATLAB performs its sparse matrix computations. Additional features, latest versions, and better performance for sparse matrix operations in MATLAB can be obtained from my files posted on MATLAB Central.

Professional Interests:
numerical linear algebra, sparse matrix algorithms, computational science, mathematical poetry

Number of Posts: 325


Threads Tim Davis Posted To: 1 - 3 of 167
Post Date Subject Most Recent Poster Tags
08 May 2008 Sparse matrix product again Andy Robb mwindex, mwsignedindex
08 May 2008 Speeding up sum of squares James Tursa
07 May 2008 MATLAB Student Version R2008a? Thomas Clark r2008a, scolding, mathematica
>>More

Threads Tim Davis Tagged: 1 - 3 of 92
Tagged Date Subject Most Recent Poster Tags They Applied
2008-05-07 Sparse matrix product again Andy Robb mwsignedindex, mwindex
2008-05-07 Solving Ax=b for large sparse matrix(1e+6 X 1e+5) and cholinc failure Tim Davis sparse, least squares
2008-05-04 creating a sparse matrix from a file us sparse
>>More

Tim Davis' Frequently Applied Tags: 1 - 10 of 25
sparse, humor, offensive language, do not use inv, multicore, poetry, chol, cheating, mwindex, umfpack


 Tim Davis' Watch List
Currently Watching:
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Latest Watch List Results: 1 - 3 of 3121
Post Date Subject Posted by Tags
11 May 2008 Re: Feature Classification roberson@ibd.nrc-cnrc.gc.ca (Walter Roberson) feature, humor, image processin...
08 May 2008 Re: Problem with matlab Shailesh Patel
07 May 2008 Re: convert C++ code to M-code Peter Boettcher c compiler mfil...
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