logarithm

英 [ˈlɒɡərɪðəm]

美 [ˈlɔːɡərɪðəm]

n.  对数

复数：logarithms　

经济

BNC.27896 / COCA.31934

牛津词典

noun

• 对数
  any of a series of numbers set out in lists which make it possible to work out problems by adding and subtracting instead of multiplying and dividing

柯林斯词典

• 对数
  In mathematics, thelogarithmof a number is a number that it can be represented by in order to make a difficult multiplication or division sum simpler.

英英释义

noun

• the exponent required to produce a given number
  Synonym:log

双语例句

• Now, let's take care of exponential and logarithm functions.
  现在，让我们的指数和对数函数的照顾。
• Analysis of a digital signature scheme based on discrete logarithm and factoring
  一个基于离散对数和因子分解的数字签名方案的分析
• A multi-level threshold multi-secret sharing scheme based on bivariate polynomial and the intractability of the discrete logarithm was proposed.
  基于离散对数问题的难解性，利用二元多项式，给出一种多级门限多秘密共享方案。
• In cryptography, we also need to discuss modular logarithm.
  在密码学中，我们也需要讨论模对数。
• A method is proposed for improving the consistency of inconsistent judgment matrix based on exponential scale, by the value of compatibility index of logarithm.
  利用对数意义下的相容性指标提出了一种基于指数标度下判断矩阵的一致性调整方法，并通过算例表明该法是切实可行的。
• The merits and deficiencies of the logarithm model in air combat capability assessment of fighter aircrafts are analyzed.
  详细分析了对数法模型评估飞机空战能力时的优点和不足之处。
• It calculates the logarithm of1 plus its argument.
  它计算1的对数和参数（1p表示“加1”）。
• Further, presented the correlations between multifractal spectrum and logarithm of mean traffic.
  进一步研究了多重分形谱参数与平均流量对数的关联关系。
• The log() function returns the natural logarithm ( base E) of a number.
  函数的作用是：返回一个数值的自然对数。
• Returns the natural logarithm of a number.
  返回一个数的自然对数。