純虛數的意思、翻譯和例句

是什麼意思

「純虛數」是數學中的一個概念,特別是在複數的範疇內。純虛數是指那些實部為零的複數,形式為 bi,其中 b 是實數,i 是虛數單位,滿足 i² = -1。純虛數的圖像表示在複平面上,所有的純虛數都位於虛數軸上。這種數在許多數學和工程應用中都非常重要,例如在信號處理和控制系統中。

依照不同程度的英文解釋

  1. A number that has no real part.
  2. A number that is only imaginary.
  3. A number that is on the vertical axis in a graph.
  4. A number that can be written as a multiple of an imaginary unit.
  5. A type of number that is purely imaginary without a real component.
  6. A number expressed in the form of a real number multiplied by the imaginary unit.
  7. A number that exists solely in the imaginary component of complex numbers.
  8. A mathematical representation that lacks any real value.
  9. A complex number with a zero real part, entirely represented on the imaginary axis.
  10. A number that is entirely imaginary, represented as a multiple of the square root of negative one.

相關英文單字或片語的差別與用法

1:Pure imaginary number

用法:

這是純虛數的另一種稱呼,強調其純粹的虛部而沒有實部。通常用於數學和工程領域,特別是在處理複數時。純虛數在許多應用中都起著重要作用,例如在電路分析中,純虛數用來表示相位角。

例句及翻譯:

例句 1:

純虛數在電路分析中是非常重要的。

Pure imaginary numbers are very important in circuit analysis.

例句 2:

這個方程的解是一個純虛數

The solution to this equation is a pure imaginary number.

例句 3:

數學中,純虛數的計算涉及虛數單位 i。

In mathematics, calculations involving pure imaginary numbers involve the imaginary unit i.

2:Imaginary number

用法:

虛數是指所有以虛數單位 i 為基礎的數字,包括純虛數和複數。虛數在數學中廣泛應用,特別是在解決涉及平方根的負數時。虛數的概念對於理解複數系統和信號處理至關重要。

例句及翻譯:

例句 1:

虛數在數學公式中經常出現。

Imaginary numbers frequently appear in mathematical formulas.

例句 2:

解這個方程會得到一個虛數解。

Solving this equation will yield an imaginary solution.

例句 3:

虛數的使用在物理學中也相當常見。

The use of imaginary numbers is also quite common in physics.