<div dir="ltr"><div><div>Thanks for the quick reply.<br><br></div>In the main diagonal of Matrix A, it may have some very small values, I want to add factor to stabilize it, like:<br><br></div>A + alpha * I<br></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Tue, Jul 15, 2014 at 2:23 PM, Jed Brown <span dir="ltr"><<a href="mailto:jed@jedbrown.org" target="_blank">jed@jedbrown.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="HOEnZb"><div class="h5">Brian Yang <<a href="mailto:jyang29@uh.edu">jyang29@uh.edu</a>> writes:<br>
<br>
> Hi all,<br>
><br>
> I am dealing with an A matrix that might be ill-conditioned, wondering<br>
> whether there is a way to do the regularization?<br>
<br>
</div></div>Yes.<br>
<br>
There is not enough information in your question to answer with more<br>
details.<br>
</blockquote></div><br><br clear="all"><br>-- <br>Brian Yang<br>U of Houston<br><br><br><br>
</div>