In this example for that X is the product of zero mean uniform R.V.Urn0, Y is a zero mean uniform R.V, U is the cosine of product 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之积，乙变数为均匀随机变数，丙变数为甲乙随机变数积之馀弦，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。