Last Updated
:2025/12/07
虚数単位
Hiragana
きょすうたんい
Noun
Japanese Meaning
複素数において、二乗すると -1 になる数を表す概念的な単位。通常 i(工学では j)で表される。 / 実数では表せない量を表現するために導入された数学上の抽象的な単位。 / 電気工学や信号処理などで、位相や振動を表現する際に用いられる複素表現の基礎となる単位。
Easy Japanese Meaning
二じょうするとマイナス一になる、とくべつな数のきごう
Sense(1)
an imaginary unit
( canonical )
( romanization )
( hiragana historical )
( hiragana )
Quizzes for review
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虚数単位
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An imaginary unit is an important concept in mathematics.
An imaginary unit is an important concept in mathematics.
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虚数単位は、数学における重要な概念です。
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