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U-statistics
释义
U-statistics
Encyclopedia
理学
【核心概念】
释
U-statistics
U统计量
设都是维随机向量,为不超过的自然数,是变元 的波莱尔(Borel)可测函数,此处每个都在维欧氏空间上取值。要求是对称函数,即对的任意置换成立。令: 则称是以为核的,基于的U统计量。
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normal contour
normal convergence
normal coordinate
normal coordinates
normal coordinate system
normal correction of magnetic field
normal correlation
normal count approach
normal covering
normal crossing
normal cross-section
normal current
normal curvature
normal curvature vector
normal curve
normal cycle
normal density function
normal derivative
normal determinant
normal developable surface
normal deviate
normal difference distribution
normal discrete group
normal dispersion
Normal distribution
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