Last Updated
：2025/11/26
imaginary unit
Noun
Japanese Meaning
虚数単位：複素数において、通常はiで表される虚数で、i² = -1という方程式の解として定義される。 / 複素解析や四元数論における基本的な概念で、数論的な文脈でも用いられる。
（ plural ）
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(number theory, complex analysis, quaternion theory) An imaginary number (in the case of complex numbers, usually denoted i) that is defined as a solution to the equation i²=-1.
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imaginary unit
In complex analysis, the imaginary unit plays a central role in rotating vectors by 90 degrees in the complex plane.
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In complex analysis, the imaginary unit plays a central role in rotating vectors by 90 degrees in the complex plane.
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