[texhax] big-O, little-o notation

John Wheeler jcw at chemj2.ucsd.edu
Sat Jan 10 13:37:51 CET 2004

Thanks to all who answered concerning Big-O, little-o notation.
Distilling the various answers, my own solution, within AMSmath,
is to put in the preamble:


which essentially defines \BigO as \mathrm{O}, etc.

and allows for the author to choose between (,); \bigl(,\bigr); or
\left(,\right) for delimiters, as needed.

Ross Moore's solution


with usage


is elegant, and has a number of nice features, but is less flexible
in allowing for really big arguments in a displayed equation.

John Wheeler
jcw at chemj2.ucsd.edu

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