Modulus (source code)

= Modulus
{title2=$|z|$}

= Moduli
{synonym}

The modulus of a <complex number> $z=x+iy$ is $|z|=\sqrt{x^2+y^2}$.

For $z=x+iy$, its modulus is $|z|=\sqrt{x^2+y^2}$, the complex case of <absolute value>.