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WEAK UNCORRELATEDNESS OF RANDOM VARIABLES
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作者 Sofiya Ostrovska 《Acta Mathematica Scientia》 SCIE CSCD 2006年第2期379-384,共6页
New measures of independence for n random variables, based on their moments, are studied. A scale of degrees of independence for random variables which starts With uncorrelatedness (for n = 2) and finishes at indepe... New measures of independence for n random variables, based on their moments, are studied. A scale of degrees of independence for random variables which starts With uncorrelatedness (for n = 2) and finishes at independence is constructed. The scale provides a countable linearly ordered set of measures of independence. 展开更多
关键词 independence uncorrelatedness convolution moments characteristic function
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基于特征函数教学的一点思考
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作者 毛伟 《教育教学论坛》 2020年第51期351-353,共3页
作为描述随机变量分布的重要工具,特征函数包含了分布函数所有矩的信息。基于概率论与数理统计教学,结合定义和两个重要性质,阐述了特征函数在重要分布可加性以及随机变量矩计算方面的应用。
关键词 特征函数 独立性 分布可加性 随机变量的矩
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