numcoeffs

的系数数cfit，sfit,或fittype对象

语法

Ncoeffs = numcoeffs(fun)

Ncoeffs = numcoeffs(fun)返回系数的个数ncoeffs的cfit，sfit,或fittype对象有趣的。

F = fittype('a*x^2+b*exp(n*x)');Ncoeffs = numcoeffs(f) Ncoeffs = 3 coeffs = coeffs(f) coeffs = 'a' 'b' 'n'

在R2006b中引入