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GeoGebraGeoGebra Classroom

Complex functions: Domain colouring with contour lines

Drag the grey point or slider. Change the function f(z). Example: (z-i)/(z+i)
Other functions to try:
  • (z-1)/(z^2+i*z+i)
  • exp(1/z)
  • ln(z)
  • z^3-1
  • (1-cos(z))/z^2