A complex function is analytic if it obeys the Cauchy-Riemann equations. Apply those to the complex function you want to prove is analytic, and use the fact that and , as the functions are harmonic.
--Kevin.
A complex function is analytic if it obeys the Cauchy-Riemann equations. Apply those to the complex function you want to prove is analytic, and use the fact that and , as the functions are harmonic.
--Kevin.