Absolute square
The absolute square of the complex number z is defined by
|z|2 = z z̅
where z̅ is the complexe conjugate.
Explanation
In the Argand diagram the dotted line shows the modulus |z| of z. It is a positive real number.
The absolute square of the complex number z is defined by
|z|2 = z z̅
where z̅ is the complexe conjugate.
In the Argand diagram the dotted line shows the modulus |z| of z. It is a positive real number.