Curve Fitting Toolbox™

cfit - Constructor for cfit object

Syntax

cfun = cfit(ffun,coeff1,coeff2,...)

Description

cfun = cfit(ffun,coeff1,coeff2,...) constructs the cfit object cfun using the model type specified by the fittype object ffun and the coefficient values coeff1, coeff2, etc.

Note   cfit is called by the fit function when fitting fittype objects to data. To create a cfit object that is the result of a regression, use fit. You should only call cfit directly if you want to assign values to coefficients and problem parameters of a fittype object without performing a fit.

Example

f = fittype('a*x^2+b*exp(n*x)')
f =
     General model:
       f(a,b,n,x) = a*x^2+b*exp(n*x)
c = cfit(f,1,10.3,-1e2)
c =
     General model:
       c(x) = a*x^2+b*exp(n*x)
     Coefficients:
       a =           1
       b =        10.3
       n =        -100

See Also

fit, fittype, feval

category

cflibhelp