c4tp2.py

Created by manuel-eleve-tle-techno-indice2020

Created on May 11, 2020

468 Bytes

def somme_car(X,Y,a,b):

    n=len(X)

    S=0

    for i in range(n):

        S=S+(Y[i]-(a*X[i]+b))**2

    return S





def Recherche_couple():

    X=[1,2,3,4,5]

    Y=[2.78,3.27,3.52,3.77,3.97]

    A=0;B=2

    S=somme_car(X,Y,A,B)

    for k in range(1,101):

        a=k*0.01

        for j in range(1,101):

            b=...

            if somme_car(X,Y,a,b)<S:

                S=somme_car(X,Y,a,b)

                A=a ; B=b

    return A,B