This is approximate C := A^T * B for matrices with power-law distributions, such that C is either dense or _much_ denser than A and B. I don't think it's relevant for PDE problems, but it might be nice for the data mining crowd.<br>
<br><div class="gmail_quote">On Sun, Oct 28, 2012 at 7:41 AM, Matthew Knepley <span dir="ltr"><<a href="mailto:knepley@gmail.com" target="_blank">knepley@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>Could not understand the performance numbers, but the algorithm is there:</div><div><br></div><a href="http://arxiv.org/pdf/1210.0461v1.pdf" target="_blank">http://arxiv.org/pdf/1210.0461v1.pdf</a><div><br></div><div>
Matt<span class="HOEnZb"><font color="#888888"><br clear="all">
<div><br></div>-- <br>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener<br>
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