LaTeX-examples/tikz/3d-gradient-colored

Compiled example

Creation

• Make sure that gnuplot is installed and in your PATH.
• You can let Wolfram|Alpha calculate you gradients (http://www.wolframalpha.com/input/?i=gradient+of+x%2F%28e%5E%28x%5E2%2By%5E2%29%29)
• See http://en.wikibooks.org/wiki/LaTeX/Colors for colors

Credits

Jake helped me to remove the small white border at the left side which was caused by the arrows. See Why does PGFplots plot more than the desired range in a 3D plot?.