Math 365: Domain Coloring 09

a) The standard color map (p(z) = z)


b) Example for Cauchy-Goursat and Deformation of Contour:
f(z) = 20(z^2-2z+4)/(z^3-9z^2+25z-25),
then observing just its three simple poles: 1/q(z) = 1/(z^3-9z^2+25z-25).