28.1.50 ExpDec1

Function

y=y_0+Ae^{-x/t}

Brief Description

One-phase exponential decay function with time constant parameter.

Sample Curve

CFF Image148.jpg

Parameters

Number: 3

Names: y0, A, t

Meanings: y0 = offset, A = amplitude, t = time constant

Lower Bounds: none

Upper Bounds: none

Derived Parameters

Decay rate: k=1/t1

Half life: tau=t1*ln(2)

Note: Half life is usually denoted by the symbol t_{1/2} by convention.

Script Access

nlf_expdec1(x,y0,A,t)

Function File

FITFUNC\EXPDEC1.FDF

Category

Origin Basic Functions, Exponential, Baseline, Electrophysiology