30.1.22 CCECCE-FitFunc
Function
![y=y_0+A[e^{-\frac{(x-x_{c1})^2}{2w}}+B(1-0.5(1-\tanh (k_2(x-x_{c2}))))e^{-0.5k_3(|x-x_{c3}|+(x-x_{c3}))}]](//d2mvzyuse3lwjc.cloudfront.net/doc/en/UserGuide/images/CCE/math-f6cf872a97abded1b2afd66909482127.png?v=0 "y=y_0+A[e^{-\frac{(x-x_{c1})^2}{2w}}+B(1-0.5(1-\tanh (k_2(x-x_{c2}))))e^{-0.5k_3(|x-x_{c3}|+(x-x_{c3}))}]")
Brief Description
Chesler-Cram Peak Function for use in chromatography.
Sample Curve
Parameters
Number: 9
Names: y0, xc1, A, w, k2, xc2, B, k3, xc3
Meanings: y0 = offset, xc1 = center, A = amplitude, w = half width, k2 = unknown, xc2 = center, B = amplitude, k3=unkown, xc3=center.
Lower Bounds: w > 0.0
Upper Bounds: none
Script Access
nlf_cce(x,y0,xc1,A,w,k2,xc2,B,k3,xc3)
Function File
FITFUNC\CHESLECR.FDF
Category
Peak Functions, PFW, Chromatography
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