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logarithm

/law-guh-rith-uhm, -rith-, log-uh-/US // ˈlɔ gəˌrɪð əm, -ˌrɪθ-, ˈlɒg ə- //UK // (ˈlɒɡəˌrɪðəm) //

对数

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Definitions

n.名词 noun
  1. 1

    Mathematics.

    • : the exponent of the power to which a base number must be raised to equal a given number; log: 2 is the logarithm of 100 to the base 10.

Synonyms & Antonyms

Examples

  • FiveThirtyEight’s urbanization index is calculated as the natural logarithm of the average number of people living within a five-mile radius of a given resident.

  • This quantity is defined as the logarithm of a matrix — an array of numbers.

  • The new formula relies on the mathematical concept known as logarithms.

  • If the characteristic of a logarithm is negative, Oughtred indicates this fact by placing the - above the characteristic.

  • The logarithm of the number is then obtained by adding the previously calculated logarithms of the factors.

  • What is the probability that the fifth decimal of a logarithm taken at random from a table is a '9'?

  • We can calculate our logarithm without recourse to the table, but we do not wish to give ourselves the trouble.

  • In July, while at work on logarithm tables, he was overtaken by a sudden fainting fit, evidently of an epileptic nature.