Error 1 occurred Armijo rule stepsize reduction failed to reduce the value of function within the maxiters

Hello

I try to use the VI of unconstrained optimization to fit a measured spectrum. However, each call VI, I get the error:

Error 1 occurred Armijo rule stepsize reduction failed to reduce the value of function within the maxiters

Possible reasons:

LabVIEW: An input parameter is not valid. For example if the input is a path, the path can contain a character not allowed by the operating system such as? or @.
=========================
NOR-488: Command requires controller GPIB be in Charge.

Does anyone know what I'm doing wrong and how I can fix this problem?

The VI for the stepsize Armijo rule reduction can be found here:

\vi.lib\gmath\NumericalOptimization\qn_armijo rule stepsize reduction.vi

In the current implementation, the spectrum is able to a rectangular spectrum. This may be the cause of the error?

I have attached the screw that I use. They are written in LabVIEW 2010.

Thanks Marc67 for your quick reply, but I found the error.

It was pretty stupid, that I used a bad vector of departure for the unconstrained optimization VI, which was too low values.

Tags: NI Software

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