uniform
随机函数uniform,随机,均匀,独立
设a,b为实数,a<b,
1:uniform(a, b) 返回x,a ≤ x <b
② 设i,j为整数,i≤j,
uniform(i, j)=k, i ≤ k ≤ j
③ 设X是非空有限集,
uniform(X) ∈ X
随机函数uniform,随机,均匀,独立
设a,b为实数,a<b,
1:uniform(a, b) 返回x,a ≤ x <b
② 设i,j为整数,i≤j,
uniform(i, j)=k, i ≤ k ≤ j
③ 设X是非空有限集,
uniform(X) ∈ X