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> Scripting to find initial guess values for nonlinear initialization
post May 27 2010, 08:45 AM
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Hi everyone,

i have a rather large nonlinear system of equations (steady state simulation) that I need to initialize. I use a Dymola script (simulateExtendedModel-function) to try out various combinations of initial guess values. I would now like to evaluate which combinations of the initial guess values led to successful initalization.

For this, I would like to save all attempted initial guess value combinations in a file, maybe a .csv, together with the information if the initialization failed or not and one or two variables to indicate different found solutions.

As there is normally no result file generated, if an initialization fails, would it still be possible to somehow record this together with the successful initializations?

Any ideas much appreciated.

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