{foreach} is for questions regarding the TikZ/PGF module of the same name which can also be used as a standalone package pgffor.

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6
votes
2answers
4k views

How to use parameter numbers and \foreach

Is there a way to use the TikZ \foreach command to do operations with parameters? E.g. I would like to be able to write (just a silly example): \newcommand{\foo}[9]{ \foreach \x in{1,2,...,9}{ ...
3
votes
1answer
1k views

Drawing a Markov chain - How do I update the value of a variable in TikZ?

I would like to plot a simulation of a Markov process in R^2. Basically, I want to draw a line that starts at (x_0,y_0)=(0,2) and then follow this rule: For each i=1,...,10, the line will go through ...
4
votes
1answer
361 views

Are there list building macros in PGF/Tikz?

In Mathematica, C# linq, or other languages, we can use auxiliary functions to produce list of certain pattern. For example: In Mathematica, we can use Table[] or Range[] to produce a list of ...
3
votes
2answers
537 views

Unexpected tikz/counter behaviour

What I've been trying to do, futilely, is to use the foreach[counter=\xi] x in {1,2,3} statement in tikz/pgf with LaTeX. This fails, every time. Whatever. So I moved on to trying to use a counter, ...