| 词汇 | imaginary-number |
| 释义 | imaginary number noun[ C ] mathematics specializeduk /ɪˌmædʒ.ɪ.nər.i ˈnʌm.bər/ us /ɪˌmædʒ.ə.ner.i ˈnʌm.bɚ/ a number that is the square root of a negative number虚数 Compare real number Terms for numbers -handed additive inverse aliquot common denominator common factor common multiple exponent fold fortyfold fourfold GCF hundredfold reciprocal recurring recurring number remainder response variable twentyfold twofold weighting imaginary number | American Dictionaryimaginary number noun[ C ] us/ɪˈmædʒ·əˌner·i ˈnʌm·bər/ algebra a number that is the square root (= number you multiply by itself to get a particular number) of a negative number (= number less than zero), especially the square root of -1 Examples of imaginary numberimaginary number Bombelli called the imaginarynumber i plus of minus or minus of minus for -i. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In complex numbers, the cube of a purely imaginarynumber is also purely imaginary. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is because the result of a negative integer under the radical will result in an imaginarynumber. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Imaginarynumber literals can be specified by appending a j. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A complex number is a quantity which can be written as the sum of a real number plus an imaginarynumber. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a non-standard positional numeral system which uses the imaginarynumber 2 "i" as its base. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, is an imaginarynumber, and its square is. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The name imaginarynumber was coined in the 17th century as a derogatory term, as such numbers were regarded by some as fictitious or useless. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See imaginarynumber for a discussion of the reality of complex numbers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The network consequently must consist entirely of inductors and capacitors and the impedance will be purely an imaginarynumber with zero real part. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A purely imaginarynumber is a complex number whose real part is zero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The turning point for him came with understanding the interpretation of negative and imaginary numbers as points on the complex plane. The square of an imaginarynumber is. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Complex quantities involve imaginary numbers. Under these conditions negative numbers, irrational numbers, imaginary numbers, algebraic numbers, etc., became progressively more accepted and broke up the canonical meaning of the number concept. See all examples of imaginary number These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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