For example, if your antenna analyzer reads Z1, then using Z2 = 50 yields a matching network for the antenna and a 50 Ohm coax.
Note: in this program two impedances match if one is the conjugate of the other, i.e. 50+j100 will match 50-j100.
|Input impedance (Z1)||Output impedance (Z2)|
|+ j||+ j|