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https://issues.apache.org/jira/browse/MATH-1137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14059860#comment-14059860
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Nigel Goodwin commented on MATH-1137:
-------------------------------------
I made a test program by applying bobyqa to a 100 dimensional rosenbrock
function. The bit of code under discussion was never executed. indeed, the IF
statement a few lines above was never true
{code}
dnorm = FastMath.min(deltaOne, deltaTwo);
if (dnorm < HALF * rho) {
ntrits = -1;
// Computing 2nd power
{code}
so I am scratching my head trying to work out how to force this bit of code to
execute!
I tried with various trust region sizes.
> BOBYQA incorrect indexing
> -------------------------
>
> Key: MATH-1137
> URL: https://issues.apache.org/jira/browse/MATH-1137
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.3
> Reporter: Nigel Goodwin
>
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