STScI Logo

powerpars stsdas.analysis.fitting


NAME · USAGE · PARAMETERS · SEE_ALSO

NAME

powerpars -- Edit the parameters for powerlaw function fitting.

USAGE

powerpars

PARAMETERS

(index = INDEF) [real]
Initial guess for the index of powerlaw function. If INDEF, the task will set it to a pre-defined value.
(ampl = INDEF) [real]
Initial guess for the amplitude of powerlaw function at reference point. If INDEF, the task will set it to the maximum value in the dependent variable.
(ref = INDEF) [real]
Reference point in the independent variable scale. If INDEF, the task will set it to the midpoint in the independent variable range.
(vindex = yes) [boolean]
Vary the powerlaw index?
(vamp = yes) [boolean]
Vary the amplitude at the reference point?
(vref = no) [boolean]
Vary the X axis reference point?

SEE ALSO

nfit1d, funcform


Package Help · Search Form · STSDAS