摘要
摘要:文[1]给出了f(x)dx收敛的一个必要条件,本文则给出了一个更强的必要条件,并且进一步讨论了概率论 中E|x|k=|x|kdF(x)收敛的必要条件。
With a necessary convergence condition of given in [1], this paper improves the conclusion of [1] anddiscusses a necessary convergence condition of E|Z|k = |x|kdF(x) on probability theory.
关键词
收敛
矩
必要条件
convergence
necessary
condition
