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Imaginary part

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In mathematics, the imaginary part of a complex number zz, is the second element of the ordered pair of real numbers representing i.e. if , or equivalently, , then the imaginary part of zz is yy. It is denoted by or . The complex function which maps zz to the imaginary part of zz is not holomorphic.

In terms of the complex conjugate , the imaginary part of z is equal to .

For a complex number in polar form, , or equivalently, , it follows from Euler's formula that , and hence that the imaginary part of is .

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A history of 'The Imaginary Invalid,' Moliere's final offering for the stage. A history of 'The Imaginary Invalid,' Moliere's final offering for the stage ...
... sites of people who own any kind of imaginary geographic entity: cities, islands, countries, federations of countries ... sites of people who own any kind of imaginary geographic entity: cities, islands, countries, federations of countries ...
This author has been inventing imaginary places all his life, starting as soon as ... crayon or pencil. This author has been inventing imaginary places all his life, starting as soon as ...
... of Moliere and of his last comedy--The Imaginary Invalid. An account of the last days of Moliere and of his last comedy--The Imaginary Invalid.
Malraux's idea of the 'imaginary museum' is developing further through digital technology. Includes ... on visual art. Malraux's idea of the 'imaginary museum' is developing further through digital technology. Includes ...
Review of The Dictionary of Imaginary Places by Alberto Manguel and Gianni Guadalupi. Review of The Dictionary of Imaginary Places by Alberto Manguel and Gianni Guadalupi.
Collection of links to online sources about fictional and fanciful travel stories like Gulliver's Travels. Collection of links to online sources about fictional and fanciful travel stories like Gulliver's Travels.
... that the Asiatic continent projects westward of an imaginary line running from the Gulf of Alexandretta (Issus ... that the Asiatic continent projects westward of an imaginary line running from the Gulf of Alexandretta (Issus ...
... different kinds of old maps of Jerusalem, "real", imaginary and combinations of the two. Located at the ... different kinds of old maps of Jerusalem, "real", imaginary and combinations of the two. Located at the ...
Imaginary nation on the European continent. Imaginary nation on the European continent.

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