generated from smyalygames/quartz
216 B
216 B
Definition
A function f : D \to \mathbb{C}
is differentiable at z \in \mathbb{C}
if the following limit exists
\lim_{ \Delta z \to \infty } \frac{f(z + \Delta z) - f(z)}{\Delta z}.
We denote by f'(z)
.