Simple pole
= Simple pole
{wiki=Zeros_and_poles#Simple_poles}
A simple pole is a pole of order one. Its <residue> is the nonzero value of the holomorphic extension of $(z-a)f(z)$ at the pole.
= Simple pole
{wiki=Zeros_and_poles#Simple_poles}
A simple pole is a pole of order one. Its <residue> is the nonzero value of the holomorphic extension of $(z-a)f(z)$ at the pole.