Evaluate the split (asymmetric) gaussian function centered at x=0. The lower-x half (x <= 0) uses fwhmLow, the higher-x half (x > 0) uses fwhmHigh.
fwhmLow
fwhmHigh
position at which to evaluate.
full width at half maximum of the lower-x half.
full width at half maximum of the higher-x half.
the intensity at x.
Evaluate the split (asymmetric) gaussian function centered at x=0. The lower-x half (x <= 0) uses
fwhmLow, the higher-x half (x > 0) usesfwhmHigh.