log(a的意思、翻譯和例句

是什麼意思

「log(a)」是數學中的對數運算,表示以某個底數(通常是10或自然對數e)為基數的a的對數。對數的基本性質包括: 1. log_b(x) = y,意味著b的y次方等於x。 2. 對數運算是指將乘法轉換為加法,除法轉換為減法,指數轉換為乘法。

依照不同程度的英文解釋

  1. A way to find out how many times a number multiplies to get another number.
  2. A method to solve equations involving multiplication.
  3. A mathematical function that helps simplify calculations.
  4. A function that answers the question: 'To what power must a base be raised to obtain a certain number?'
  5. A mathematical operation that converts multiplication into addition.
  6. A function that determines the exponent needed for a given base to reach a specific value.
  7. A logarithmic function used extensively in various fields of science and engineering.
  8. A fundamental concept in mathematics that facilitates the solving of exponential equations.
  9. A mathematical operation that is essential in calculus, statistics, and many applied sciences.
  10. A mathematical tool that helps analyze growth rates, scales, and relationships in various contexts.

相關英文單字或片語的差別與用法

1:Logarithm

用法:

用來表示一個數字是如何通過將一個基本數字提升到某個指數來產生的。對數的底數可以是任意正數,但最常用的底數是10和e(自然對數)。這在科學、工程和金融中是非常常見的,特別是在處理指數增長或衰減時。

例句及翻譯:

例句 1:

計算log(100)時,我們知道它等於2,因為10的2次方是100。

When calculating log(100), we know it equals 2 because 10 raised to the power of 2 is 100.

例句 2:

對數可以幫助我們解決複雜的指數方程。

Logarithms can help us solve complex exponential equations.

例句 3:

在科學計算中,對數常用於簡化數據的處理。

In scientific calculations, logarithms are often used to simplify data processing.

2:Natural log

用法:

特指以數學常數e(約等於2.71828)為底的對數,通常寫作ln(x)。自然對數在數學、物理學和工程學中非常重要,特別是在處理連續增長或衰減的過程中。

例句及翻譯:

例句 1:

自然對數ln(1)的值是0。

The natural log ln(1) equals 0.

例句 2:

在計算連續增長時,自然對數是一個非常有用的工具。

The natural log is a very useful tool when calculating continuous growth.

例句 3:

許多科學公式中都涉及自然對數。

Many scientific formulas involve the natural logarithm.

3:Common log

用法:

指以10為底的對數,通常寫作log(x)。它在許多應用中都很常見,特別是在需要進行簡單的數學計算或對數表查詢時。

例句及翻譯:

例句 1:

log(1000)的值是3,因為10的3次方是1000。

The common log log(1000) equals 3 because 10 raised to the power of 3 is 1000.

例句 2:

在計算中,常用對數可以幫助我們快速了解數據的大小。

The common logarithm can help us quickly understand the magnitude of data in calculations.

例句 3:

許多科學問題中都會使用常用對數。

Common logs are used in many scientific problems.