rho()
rho(\Complex\Complex|mixed $complex) : float
Returns the rho of a complex number.
This is the distance/radius from the centrepoint to the representation of the number in polar coordinates.
Parameters
| \Complex\Complex|mixed | $complex | Complex number or a numeric value. |
Throws
- \Complex\Exception
If argument isn't a valid real or complex number.
Returns
float —The rho value of the complex argument.