[Tugindia] Re: equation- how to
Sreejith Pulloor
sreejithpk at gmail.com
Thu Oct 20 10:08:01 CEST 2005
thanks to everyone.
it worked now. i will get the latex primer and refer it in future.
thanks again,
Sreejith
On 10/20/05, CV Radhakrishnan <cvr at river-valley.com> wrote:
> On Thu, October 20, 2005 2:37 am, Sreejith Pulloor said:
> > seems to be simple but didnt have any success
> >
> > i want to have two equations aligned (without numbes) inside a left
> > bracket "{ "
> > i tried like following (please understand i dont have much experience
> > using latex... so might be wierd way--)
> >
> > \left\{
> > \begin{array}{l}
>
> [...]
>
> > \right.
>
> > it didnt work..
>
> The best way would be to try the following:
>
> $$\left\{
> \begin{array}{lcl}
> \mu (\nabla u , \nabla v) &=& (f,v)\\
> (\nabla \cdot{u},q) &=& 0
> \end{array}
> \right.$$
>
> Alternatively, insert '\usepackage{amsmath}' in the preamble and then:
>
> $$
> \begin{cases}
> \mu (\nabla u , \nabla v)& = (f,v)\\
> (\nabla \cdot{u},q)&= 0
> \end{cases}
> $$
>
> In cases environment, you need not enter any braces, it will be
> automatically added.
>
> > and i also have some questions on how to interpret some of the error
> > messages.
> > for example when i tried the above tex thrown some error message like
> > following:
> >
> > ! Missing $ inserted.
>
> Since \left, \right, \mu etc will work only math mode, math shift
> character '$' is needed before you use these commands. So, TeX says that
> a '$' (in other words math shift character) is missing.
>
> --
> Radhakrishnan
>
>
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