f = U + iv Przykład:
])/'(-)= wv +rvT 2) f{z)=ux-ht), 3) /'(.-) = vv + /V 4) /’(z)= vy - iuy Z warunków C-R |
f(z) = z3 = x3 + 3x2iy + 3x(ry )2 +(/y)3 u(x, y) - (*3 ~ 3xy2} v(jc, y) = 3x2y - y3 ux =3x2-3y = vv vx = 6 xy = -w /'(z) = 3.v‘ -3j: + i6xy = 3(x2 + 2ixy + f~y = 3(x + iy)2 =3z2 |
_ z + z* _z-z* |