[texhax] Alignment \sum with large underscripts

Lars Madsen daleif at imf.au.dk
Mon May 1 11:13:22 CEST 2006

Victor Ivrii :

> The problem is a bit wider and covers all big operators with
> underscripts in display mode and with wide underscripts (wider than
> the operator itself, so \int will be especially vulnerable:
> in
> \begin{align}
> &\sum_{Aaaaaaaaaaaaaaaaaaaaa} ....\
> &\sum_{Bbbbbbbbbb} .....
> \end{align}
> are aligned on the left (on odd &) as they supposed to be: so A
> matches B but signs of the sum themselves are not aligned. Is there
> any standard way to align signs of sum rather than underscripts? (I
> can do it by hand for sure)

see the mathtools package

> Another related question: in {align} is there any way to align like in
> {tabular}{c} ?

that doesn't make much sence.


is more or less just the gather environment.


``You cannot help men permanently by doing for them
what they could and should do for themselves. ''
  -- Abraham Lincoln

More information about the texhax mailing list