[SciPy-User] fmin_slsqp exit mode 8

josef.pktd@gmai... josef.pktd@gmai...
Thu Sep 27 10:15:48 CDT 2012


in statsmodels we  have a case where fmin_slsqp ends with mode=8
"POSITIVE DIRECTIONAL DERIVATIVE FOR LINESEARCH"

Does anyone know what it means and whether it's possible to get around it?

the fortran source file doesn't have an explanation.

Thanks,

Josef


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