Re

Re[z]

gives the real part of the complex number z.

Details

  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • Re[expr] is left unevaluated if expr is not a numeric quantity.
  • Re automatically threads over lists.

Examples

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Basic Examples  (3)

Find the real part of a complex number:

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Plot the real part of a complexvalued function:

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Use Re to specify regions of the complex plane:

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Scope  (5)

Generalizations & Extensions  (1)

Applications  (3)

Properties & Relations  (7)

Possible Issues  (1)

Neat Examples  (1)

See Also

Im  ReIm  Abs  Arg  ComplexExpand  Complex  I  Surd

Tutorials

Introduced in 1988
(1.0)