I make naive, visual exploration of 2D images, which can be described by simple functions, like:
- $ y = f(x)$
- $ y = f(x,y)$
- $f(z) = \begin{cases} k(x,y) \\ h(x,y) \end{cases}$
I have read about algebraic and differential equations.
These images are used in :
- domain coloring and visualisation of complex functions
- procedural texture
- visualisation of vector fields
Questions:
Is there some math theory behind such images/functions/transformations ?
What is the difference between above functions?


