Sample Implementation
An implementation of the composite Simpson's rule in Python:
def simpson(f, a, b, n): """f=function, a=initial value, b=end value, n=number of intervals of size h, n must be even""" h = float(b - a) / n S = f(a) for i in range(1, n, 2): x = a + h * i S += 4 * f(x) for i in range(2, n-1, 2): x = a + h * i S += 2 * f(x) S += f(b) F = h * S / 3 return FRead more about this topic: Simpson's Rule
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