parsnip.frac_to_mag

parsnip.frac_to_mag(fractional_difference)

Convert a fractional difference to a difference in magnitude.

Because this transformation is asymmetric for larger fractional changes, we take the average of positive and negative differences.

This supports numpy broadcasting.

Parameters:

fractional_difference (float) – Fractional flux difference

Returns:

Difference in magnitudes

Return type:

float