[Tugindia] Problems with split environment

[yoga at math.iisc.ernet.in]

> \documentclass[12pt]{book}
> \usepackage{amsmath}
> \begin{document}
> 
> \begin{equation*}
> \begin{split}
> x+y-z&=1\\
> x-y+z&=1\\
> x+y+z&=1
> \end{split}
> \end{equation*}
> 
> \end{document}
> 
> The above one gives me some error and not compiled. 

The example given above compiles properly; I cant understand the problem.


Regards......................yoga

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C S Yogananda
MO-Cell (HBCSE, TIFR)
Dept. of Mathematics
Indian Institute of Science
Bangalore - 560012
Ph: 22932265 (O)
    26524056 (R)
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