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Re: problems with sqp constraints?


From: fork
Subject: Re: problems with sqp constraints?
Date: Tue, 17 Apr 2012 00:11:36 +0000 (UTC)
User-agent: Loom/3.14 (http://gmane.org/)

Olaf Till <i7tiol <at> t-online.de> writes:

> BTW you should check your gradient function.

I give up...

 d/dx(x*log(x)) ==
    == (d/dx x)(log x) + x * (d/dx log x)
    == 1 * log(x) + x * 1/x
    == log x + 1

Or did you mean the log10 bug?  Yeah, that messed with me for a while ;)

Thanks for the feedback on the objective -- I made the change.

F



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