# 5 ways to visualize complex functions

**Complex functions** are 4-dimensional: its input and output are **complex numbers**, and so represented in 2 dimensions each, so how do we visualize complex functions if we are living in a 3D world? There are actually 5 different ways to visualize a complex function, and this video is going to explore a bit about each of them.

Some of you commented that you have already studied complex analysis in full, but hopefully there are still some things that you haven’t seen before, because a typical university course on complex analysis wouldn’t contain as many visuals as seen .

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