28.1.95 Laplace

Function

y=y_0+\frac 1{2b}e^{-\frac{|x-a|}b}

Brief Description

Laplace probability density function.

Sample Curve

CFF Image288.gif

Parameters

Number: 3

Names: y0, a, b

Meanings: y0 = offset, a = location, b = shape

Lower Bounds: none

Upper Bounds: none

Derived Parameters

Full Width at Half Maximum: FWHM = 2 * b * ln(2)

Script Access

nlf_Laplace(x, y0,a,b)

Function File

FITFUNC\LAPLACE.FDF

Category

Statistics, Peak Functions