Hi, excuse me for my english!
I must fit afunction to an histogram. The function is like a gaussian; How can i use mrqmin? The paramenter of this method must be initialized? alpha, covar, alamba, chisq?

please I must fit a function . The function is a gaussian; How can i use mrqmin? and this arguments:
x,y,a,lista,covar,funcs,alpha, covar, alamba, chisq?