2
votes
0answers
238 views

TikZ arrows do not draw with pdflatex [closed]

I am using the answer from Arrow between parts of equation in LaTeX. \documentclass{article} \usepackage{tikz} \newcommand{\tikzmark}[1]{\tikz[overlay,remember picture] \node (#1) {};} ...
6
votes
1answer
438 views

Bold arrows in xymatrix

How can I produce a bold arrow in the package \xymatrix? I've tried with \ar@{\bf{->}}[r] and similar alternatives without success.