# [texhax] Changing spacing between some lines in multline etc

Victor Ivrii vivrii at gmail.com
Wed Nov 14 13:31:21 CET 2007

On Nov 14, 2007 7:13 AM, Lars Madsen <daleif at imf.au.dk> wrote:
> Victor Ivrii :
>
> > 1) Sometimes I am not happy with some vertical spacing between two
> > particular lines in "equations" containing more than two lines (for
> > two lines {spreadlines} of mathtools takes care but if there are more
> > than two lines it affects all spacing). Is there any regular method
> > (except increasing spacing by including phantoms)?
> >
>
> \\[length]

Thanks!

>
> > 2) Sometimes I want to use a kind of multline but with all equations
> > except the first one flashed right. I cannot invent anything except
> > some ugly games with {align}. Is there a better solution?
> >
>
> flalign

Not sure how to use in this case

>
> > 3) sometimes I want to use \sum\int   as a single big operator, so the
> > subscript would be strictly below their middle. Is there a way?
> >
>
> Wouldn't that confuse the reader? I know it can be done, but currently I
> do not remember the details

It is MY reader and I have a right to confuse him/her :)
Seriously: if we use

\iint _{ x>0, y>0, x+y<1}

and nobody complains why we cannot use

\ssum_{m>0,n>0, m+n \le 1000}     or

\sumint_{m>0, x>0, x+m <100}

???

>
> > Thank you in advance
> >
> >              Victor
> >
> > --
> > ========================
> > Victor Ivrii, Professor, Department of Mathematics, University of Toronto
> > http://www.math.toronto.edu/ivrii
> > _______________________________________________
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>
>
> /daleif
>

--
========================
Victor Ivrii, Professor, Department of Mathematics, University of Toronto
http://www.math.toronto.edu/ivrii


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