This is a stand alone C++ program to fit a curve with a polynomial.
To compile: g++ -o Polyfit Polyfit.cpp
Inputs:
k: Degree of the polynomial fixedinter: Fixed the intercept (coefficient A0) wtype: Weight: 0 = none (default), 1 = sigma, 2 = 1/sigma^2 alphaval: Critical apha value x[]: Array of x values to be fitted y[]: Array of y values to be fitted erry[]: Array of error of y (if applicable)