The following Simulator solver algorithms are available for optimization exercises:

• Backwards Euler
• Rosenbrock (Default)
• LSODA

Choice of solver algorithms should be made on the basis of run-time in simulator using the Integration Method dropdown in the Advanced Options window (click  to open).  In general, the default routine (Rosenbrock) will be adequate, but occasionally one of the other solver routines will be faster, reducing run times.

The solver accuracy can also be set using the Accuracy dropdown.  The default accuracy (0.001) is normally sufficient, but this can be adjusted, e.g. if higher accuracy was required when running in simulator.  Available accuracies range from 0.01 to 1x10^-8.

The number of plotted Points used in Optimization is the same as indicated on the process tab of the model (default 50).