For n numbers a 1 , a 2 ,……, a n , the sum of these numbers divided by n, (a 1 +a 2 +……+a n )/n, is called the arithmetic mean or average of a 1 , a 2 ,……, a n . For n numbers a 1 , a 2 ,……, a n , the function of x, (xa 1 ) 2 +(xa 2 ) 2 +……+(xa n ) 2 [Shigeru Furuya] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
n個の数a1,a2,……,anに対して、これらの総和をnで割ったもの(a1+a2+……+an)/nを、a1,a2,……,anの相加平均または算術平均という。与えられたn個の数a1,a2,……,anに対して、xの関数 [古屋 茂] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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