Last week I made simple coordinate transformation in order to define \tdplotsetcoord in Cartesian coord. system. My work and support of exp. user can be viewed in this topic. The code looks as ...
In the following example I want to use \ifnum to compare two numbers computed by pgfmath, for simplicity I use simply 1 and 2 in the example below. Compiling this code gives me the error: ERROR: ...
Following questions on constructing functions on the forum, I tried to build some myself. I can't seem to get the ifthenelse function in TikZ/PGF to work. Here is an example: ...