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4
votes
How does newcommand and renewcommand work? $$\newcommand{\sin}{FOO} \sin x$$ $$\sin y$$ $$\renewcommand{\nonexistent}{QUX} \nonexistent$$ hello$\renewcommand{\sin}{hello}$world. hello$$\renewco …
answered Mar 16 '12 by Nate Eldredge
3
votes
And now what does it look like to another user who doesn't suspect that the command has been redefined? $$\sin x$$ Very interesting.
answered Mar 16 '12 by Nate Eldredge