Python

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 import math def getX3(x0, x1, x2, f0, f1, f2): x3 = ((f0*(x1**2 - x2**2)+f1*(x2**2-x0**2)+f2*(x0**2-x1**2))/(f0*(x1-x2)+f1*(x2-x0)+f2*(x0-x1)))/2 return x3 def parabolic(x0, x1, x2, maxit, es): # See x1 as intermediate point # ..