pwPlottingSavePlotSettingsToFile(filename, iCouple) Saves the setting of visible/invisible and grouped species into a file.
filename string M-file where the plot settings will be stored.
If not specified, a file-saving dialog opens.
iCouple integer Numer of the combined couple whose plot settings
will be stored.
The content of the created text can also be copied into a model definition file, so that all plot settings are already set when the model is loaded.