ComplexPlot

ComplexPlot[f, {z, zmin, zmax}] generates a plot of Arg[f] over the complex rectangle with corners zmin and zmax.

Examples

Plot a complex function:

ComplexPlot[z^2, {z, -2 - 2 I, 2 + 2 I}]

Plot with singularities:

ComplexPlot[1/z, {z, -2 - 2 I, 2 + 2 I}]

Please visit the official Wolfram Language Reference for more details.