等差数列

等差数列

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简明
新汉英

1
arithmetic progression
等差数列：一种数列，其中任意一项与其前一项之间的差是恒定的。

网络释义
专业释义

1
arithmetic progression
... arithmetic progression(sequence)等差数列 geometric progression(sequence)等比数列 approximate近似 ...
2
arithmetic c progression
... arithmetic c progression(sequence)等差数列 progression(sequence)等比数列列 approximate近似似 ...
3
arithmetic sequence
... 行列式(Determinant) 等差数列(arithmetic sequence) 等比数列(geometric sequence) ...

短语

1
等差数列的公差
common difference
2
等值等差数列
Arithmetic progression
3
在连续的素数等差数列
CPAP

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双语例句

1
我们首先介绍了高阶等差数列前 n 项和的求解方法。
We first introduce methods of finding the sum of the first n terms for an arithmetic sequence of higher order.
2
结果表明，等差数列的利用可规范第一种误读。
The result shows that the utility of the arithmetic progression can limit the first kind of misread.
3
考察了由3个素数和1个殆素数构成的等差数列。
Arithmetic progressions, any one in which consists of 3 primes and 1 almost prime, are investigated.

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百科

等差数列
等差数列是指从第二项起，每一项与它的前一项的差等于同一个常数的一种数列，常用A、P表示。这个常数叫做等差数列的公差，公差常用字母d表示。例如：1,3,5,7,9……2n-1。通项公式为：an=a1+(n-1)*d。首项a1=1，公差d=2。前n项和公式为：Sn=a1*n+[n*(n-1)*d]/2或Sn=[n*(a1+an)]/2。注意：以上n均属于正整数。

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