Hi sammy,
You can find more information about this command by right-clicking on the VI and choosing Help. You can then choose the Downhill Simplex option for a detailed description of how to use this VI. The following information is provided in the Help about the "objective VI" you must build:
objective function is a reference to the VI that implements the
function to optimize. Create this VI by starting from the VI template located at
labview\vi.lib\gmath\NumericalOptimization\ucno_objective
function template.vit.
Also, more help information can be viewed here:
I didn't find an example program in our Developer Zone, but you might be able to find one by searching the Discussion Forums.
Hope this helps!
Amanda Howard
Americas Services and Support Recruiting Manager
National Instruments