p*******n 发帖数: 273 | 1 用来模拟一下pi值. 和2D的对比一下.
2D buffon laplace needle 问题:
The Buffon-Laplace needle problem asks to find the probability that a
needle of length L will land on at
least one line, given a floor with a grid of equally spaced parallel lines
distances a and b apart, with L <
a,b
P(a,b,L)=(2*L*(a+b)-L^2)/(pi*a*b)
对概率不太熟悉,多谢拉 |
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