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convergent series 【數學】收斂級數。

converger

According to the variation , features of the integrand , the values of peaks and troughs are taken out and formed a slowly convergent series , and the repeated averaging scheme is performed to calculate the limit rapidly and accurately 根據被積函數的變化特點,將波峰和波谷值抽取出來組成慢收斂序列,利用重復平均法快速而準確地求出其極限值。

Theorem 9 ( rearrangement theorem ) the terms of an absolutely convergent series can be rearranged without affecting either the convergence or the sum of the series 定理9 (可交換性定理)絕對收斂級數經改變響的位置后構成的級數也收斂,且與原級數有相同的和(即絕對收斂級數具有可交換性) 。