export_der_model — Export the partial derivative of a Lolimot model into a .sci file
err = export_der_model(modelname,lolModel,file_type)
the name of the which will be given to the function. The filename will be "modelname.sci".
a structure which contains the Lolimot model.
'scilab' or 'matlab'. The type of file which is to be generated.
if a problem occurred during the creation of the file, err is set to %T.
This function exports a the partial derivative of model of a Lolimot model into a .sci file.