[tex]f(\uparrow x)[/tex] is ugly, but [tex]f(\left\uparrow x\right.)[/tex] is nice! The solution: prefix \uparrow with \mathopen.
Tag: LaTeX
PyX
The software I use to render those great graphs might be of interest to some. Instead of using a clumsy GUI or an inflexible graph language, I use a Python library called PyX which is able to generate beautiful graphs. At its core it’s a generator for TeX, and rendering graphs is just one thing it does well!
Take a look at the examples and convince yourself!