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Chapter 2 Differentiation
Despite the saying that “for every epsilon there is a delta,” (which is really rather romantic, when you think about it) I often could not get my epsilons paired off with suitable deltas.
―Herbert Wilf (1931–2012)
We will now start our study of complex functions.
The fundamental concept on which all of calculus is based is that of a limit—it allows us to develop the central properties of continuity and differentiability of functions. Our goal in this chapter is to do the same for complex functions.
