These are the slides of a plenary talk given at the 2006 SIAM Annual Meeting, on July 11, 2006.
The talk describes how x=A\b works in MATLAB, when A is sparse.
You can view the video at https://www.youtube.com/watch?v=5NpBTUSQac4. Follow along with these slides as you view the video. The slides are not meant to be read as a stand-alone document.
For more details, see the book "Direct Methods for Sparse Linear Systems," published by SIAM.
good and thanks for that but needs to add more detail and examples
The video exceeds the 20MB filesize limit; see the link to http://www.cise.ufl.edu/research/sparse/SIAM06 instead.
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