## NAME

comppars -- Edit the parameters for fitting a composite function.

## USAGE

`comppars`

## PARAMETERS

- (index = INDEF) [real]
- Initial guess for the powerlaw component index. If INDEF, the task will set it to a pre-defined value.

- (pampl = INDEF) [real]
- Initial guess for the powerlaw component amplitude at the reference point. If INDEF, the task will set it to the maximum value in the dependent variable.

- (pref = INDEF) [real]
- Reference point in the independent variable scale, for the powerlaw component. If INDEF, the task will set it to the midpoint of the independent variable.

- (temp = INDEF) [real]
- Initial guess for the temperature of the black-body component. If INDEF, the task will set it to a pre-defined value.

- (bampl = INDEF) [real]
- Initial guess for the amplitude of the black-body component at reference point. If INDEF, the task will set it to half the maximum value in the dependent variable.

- (bref = INDEF) [real]
- Reference point in the independent variable scale, for the black-body component. If INDEF, the task will set it to the midpoint of the independent variable.

- (vindex = yes) [boolean]
- Vary the powerlaw index?

- (vpamp = yes) [boolean]
- Vary the amplitude of the powerlaw component at reference point?

- (vpref = no) [boolean]
- Vary the X axis reference point for the powerlaw component?

- (vtemp = yes) [boolean]
- Vary the black-body temperature?

- (vbamp = yes) [boolean]
- Vary the amplitude of the black-body component at reference point?

- (vbref = no) [boolean]
- Vary the X axis reference point for black-body component?