Warning with MutliStart

2011 7 8
1 个回答
4 次查看（30 天）

0 个投票

Hi, I'm using MultiStart to search the minimun of a smooth function. I use fminunc as a solver, with 3 parameters to estimate. But when I run it with 10 try, I get this warning :
Warning: Internal t = 0.84265 and h = 3.19699e-19 are such that t + h = t on the next step. The solver will continue anyway.
What does that mean? Does that influence the result?
Thanks!

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回答（1 个）

Jan
Jan 2011-7-8

1 个投票

This means that h is too small to have an effect. Is there a method to limit the minimal step size or to provide initial step size of an adequate length?

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