<div dir="ltr"><div class="gmail_quote">On Tue, Apr 5, 2011 at 06:10, Barry Smith <span dir="ltr"><<a href="mailto:bsmith@mcs.anl.gov">bsmith@mcs.anl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
They are done to change the relative importance of different entries in the vector to determine stopping conditions and search directions in Newton's method.</blockquote></div><br><div>Note that weighting fields differently is equivalent to choosing units for the different fields. I think it is generally a good idea to make the units a runtime option anyway since it lets you check that the code is dimensionally correct.</div>
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