I am having trouble accessing the svn repository, so for now, I'll
have to change the code myself.
If you are going to make the change below, then I guess a new
constructor must be added to EstimationException:
public EstimationException(String specifier, Object[] parts) {
super(specifier, parts);
}
On Jan 28, 2008 11:23 AM, Luc Maisonobe <[EMAIL PROTECTED]> wrote:
> Mickey wrote:
> > When using the LevenbergMarquardtEstimator to solve for a quardratic
> > equation. I get the exception below. Can anyone explain to me what is
> > happening? This code works for most data that I have, but not in this
> > particular case. This code is set into motion by clicking a button.
> >
> > The code that throw the exception is:
> >
> > throw new EstimationException("maximal number of evaluations exceeded
> > ({0})",
> > new String[] {
> > Integer.toString(maxCostEval)
> > });
> >
> > In this case maxCostEval is 1000. I tried setting it to 10,000, but I
> > still get the same error. I'm confused first of all in that the String
> > above doesn't appear in the exception and second in what the
> > NoSuchMethodError is supposed to indicate.
> >
> > exception:
> > ------------------------------------------------------------------------------
> >
> > Jan 28, 2008 7:45:52 AM STDERR: Exception in thread "AWT-EventQueue-0"
> > Jan 28, 2008 7:45:52 AM STDERR: java.lang.NoSuchMethodError:
> > org.apache.commons.math.MathException.<init>(Ljava/lang/String;[Ljava/lang/Object;)V
> >
> > Jan 28, 2008 7:45:52 AM STDERR: at
> > org.apache.commons.math.estimation.EstimationException.<init>(EstimationException.java:42)
> >
> > Jan 28, 2008 7:45:52 AM STDERR: at
> > org.apache.commons.math.estimation.LevenbergMarquardtEstimator.estimate(LevenbergMarquardtEstimator.java:511)
>
> This shows an error in [math], thanks for reporting it. I have fixed
> this as of r615975 a few minutes ago. You seem to have a version more
> than a few days old (this code has changed recently), so either you
> check out the all source again or you port the fix into your version.
> For this, you should change in the exception construction:
> new String[] {
> Integer.toString(maxCostEval)
> });
> into:
> new Object[] { new Integer(maxCostEval) });
>
>
>
> However, the fact the exception is thrown shows there is a convergence
> problem. Could you check the thresholds ?
>
>
> Luc
>
>
> > (... and more ...)
> >
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>
>
>
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