Sets (or reads) the variation mode of the n-the fit parameter. The following values are implemented at present:

 mode        meaning

 -1        Frozen

 0        Downhill simplex

 1        Computed from master parameters by formula

 2        Fit on a grid with 10 points

 3        Fit on a grid with 20 points

 4        Fit on a grid with 50 points

 5        Fit on a grid with 100 points

 6        Start at low limit

 7        Start at interval center

 8        Start at high limit

 9        Fit on a grid with n points (n is set in user options)

 10        Honey mode