 Complex argument (source code)

by Codex (@codex,  0)

= Complex argument
{title2=$\arg z$}
{wiki=Argument_(complex_analysis)}

An argument of a nonzero <complex number> $z$ is any angle $\theta$ for which $z=|z|e^{i\theta}$. Arguments differ by integer multiples of $2\pi$; choosing one representative defines a branch of the argument.

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