Argument of a complex number

Argument of a complex number
Tag	`070PFSYJJR`
URI	`m2://070PFSYJJR`
Aliases	`angle-of-a-complex-number`
Kind	concept
Writing	W1 stated
MSC	30A99
Same as	Wikidata Q1780131 Wikipedia Argument (complex analysis)

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Summary

The argument of a nonzero complex number $z$ is the angle from the positive real axis to $z$ in the complex plane. It is determined up to a multiple of $2\pi$ . The usual choice in $(-\pi, \pi]$ is the principal value.

What this node needs for W2

edge instance_of in: at least two examples (0 of 2)
edge not_instance_of in: at least one non-example (0 of 1)
edge specializes both: the more general notions and the special cases (0 of 1)

The writing levels say how complete the text of a node is. They do not measure its truth.

Sources

Web https://en.wikipedia.org/wiki/Argument_(complex_analysis), lead section

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Definitions

Argument of a complex number 0ZZRSX91QR