function of random variable meaning in English
随机变量函数
Examples
- In recent years various methods of estimation about probability density function of random variable sequence that is independent and identically distributed ( abbreviated as iid . ) and large sample quality have been more discussed in research documentation
)序列的概率密度函数的各种估计方法及其大样本性质的研究文献中已有很多讨论，研究得最多的还是密度函数的核估计，如rosenblent , parzen ， prakasarao和silverman等。 - The obtained results in the paper are as follows : ( 1 ) the expansion of fourier series of orthogonal trigonometric polynomial for conditional mathematical expectation and function of random variable ; ( 2 ) the best approximation of trigonometric polynomial about another random variable for function of a random variable ; ( 3 ) the best approximation order of trigonometric polynomial for function of random variable
摘要获得了如下结果： ( 1 )条件数学期望及随机变量函数的三角多项式级数表达； ( 2 )一个随机变量关于另一个随机变量的三角多项式的最佳逼近； ( 3 )随机变量函数被随机变量三角多项式最佳逼近的阶。 - In the traditional reliability model , the probability density function of random variable is important . so , in chapter 2 , the methods to get probability density function of engineering random variable are discussed . three methods , which include approximate method , monte - carlo simulation method and multiple parameter method , are compared by some examples . in chapter 3 , some non - probabilistic reliability models are discussed
在传统的概率可靠性模型中，变量的概率密度函数的确定非常重要，因此在本文第二章中，主要着力讨论工程随机变量概率密度函数的求解方法，说明原理，推导求解公式，并通过实际算例对近似解析法、 monte - carlo数字模拟法、多参数法三种方法进行对比。