英语词汇“幂平均”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	幂平均
释义	幂平均 mì píng jūn设a1，a2，…，an为n个正数，则mra1，a2，…，an＝ar1+ar2+…+arnn1r称为这n个正数的r次幂平均。当r＝1时，即为算术平均；当r→0时，mra的极限存在，即为几何平均；当r＝-1时，即为调和平均。
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