complex variable

noun

Mathematics.

1. a variable to which complex numbers may be assigned as value.

Word History and Origins

Origin of complex variable¹

First recorded in 1875–80

Example Sentences

Trump’s tariffs have injected a new and complex variable into that calculation.

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The variation in healthy hearts produced a very complex, variable melody line.

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Consider the polynomial z2, where is the complex variable x+iy.

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Of this enormously powerful relation, a more lately discovered result, which is very fundamental in the theory of functions of a complex variable, and which is generally quoted as Riemann's theorem, is only a particular case.

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It will be seen that as each successive aspect of geographical science is considered in its natural sequence the conditions become 638 Conclusion. more numerous, complex, variable and practically important.

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