投针的R程序如下:buffon<-function(n, l=0.8, a=1){ k<-0 theta<-runif(n,0, pi); x<-runif(n,0, a/2) for (i in 1:n){ if (x[i]<= l/2*sin(theta[i])) k<-k+1 } ( )}buffon(100000,l=0.8,a=1)
【简答题】阅读理解 We all long for friendship, but how to make a friend? 'The best time to make a friend is before you need one.' Joy Steven said. The following are some tips for you. People equal friends Friends u...