Let W(x, y) be a harmonic function, and also let u(x, y) and v(x, y) be a harmonic conjugate pair...
Let W(x, y) be a harmonic function, and also let u(x, y) and v(x, y) be a harmonic conjugate pair. Show by hand that the composite function W(u(x, y), v(x, y)) is also harmonic.
Let W(x, y) be a harmonic function, and also let u(x, y) and v(x, y) be a harmonic conjugate pair. Show by hand that the composite function W(u(x, y), v(x, y)) is also harmonic.