28.1.76 Giddings

Function

y=y_0+\frac Aw\sqrt{\frac{x_c}x}I_1\left( \frac{2\sqrt{x_cx}}w\right) e^{\frac{-x-x_c}w}

Brief Description

Giddings peak function for use in Chromatography.

Sample Curve

CFF Image228.jpg

Parameters

Number: 4

Names: y0, xc, w, A

Meanings: y0 = offset, xc = center, w = width, A = area

Lower Bounds: w > 0.0

Upper Bounds: none

Script Access

nlf_giddings(x,y0,xc,w,A)

Function File

FITFUNC\GIDDINGS.FDF

Category

Peak Functions