In this example for that X is a zero mean normal R.V, Y is the cosine of zero mean uniform R.V.Urn0, U is the even exponential of sum of R.V.X, Y, and V is the difference of R.V.

• 本文以甲变数为均匀随机变数，乙变数为均匀随机变数之馀弦，丙变数为甲乙随机变数和之偶指数函数，及丁变数为甲乙随机变数之的差情况下，图示验证二维随机变数联合机率之特性。