Created
October 5, 2014 08:01
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| def bs(f, x=0.0, y=1.0, eps=0.001): | |
| if f(y) < 0: | |
| return bs(f, y, 3*y-x, eps) | |
| if 0 < f(x): | |
| return bs(f, 3*x-y, x, eps) | |
| m = (x + y) / 2 | |
| if y - x < eps: | |
| return m | |
| if f(m) < 0: | |
| return bs(f, m, y, eps) | |
| if 0 < f(m): | |
| return bs(f, x, m, eps) | |
| return m |
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