Imaginary axis
= Imaginary axis
{title2=$i\mathbb R$}
The imaginary axis is the set of <complex numbers> $iy$ with $y\in\mathbb R$. It is the vertical coordinate axis in the <complex plane>.
= Imaginary axis
{title2=$i\mathbb R$}
The imaginary axis is the set of <complex numbers> $iy$ with $y\in\mathbb R$. It is the vertical coordinate axis in the <complex plane>.