
math: command for absolute value: `\define\abs[1]{\lvert #1 \rvert}` throws `\lvert ->\Udelimiter`.
by Paul Menzel 29 Jun '11
by Paul Menzel 29 Jun '11
29 Jun '11
6
8
5
15
2
2
5
15
6
19
6
8
3
10
1
0
5
9

27 Jun '11
2
2