Scilab Function
Last update : 1/11/2005

polyfit - Calculates the polynomial fitting

Calling Sequence

[SSE,r,b] = polyfit(xx,yy,p)

Parameters

Description

A classcial linear equation system to minimze the quadratic errors is solved.

Examples

x=rand(1,20,'normal');
a=[3,2,-4,1.5];
y=polyval(a,x);
// cubic polynomial
[SSE,r,b]=polyfit(x,y,3)
// square polynomial
[SSE,r,b]=polyfit(x,y,2)

See Also

polyval ,  

Authors

Dr. Andreas Geissler geisslea@web.de

Used Function

vandermonde