Trapezoidal Rule for definite integrals
| a = 0 | |
| b = 1 | |
| N = 500 | |
| area = 0 | |
| delta_x = (b - a)*1./N | |
| def f(t): | |
| return t**2 | |
| for i in range(N): | |
| x = i*delta_x + a | |
| area=area + 0.5*(f(x)+f(x+delta_x))*delta_x | |
| print area |
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