Re: Split environment

It seems that it is diallowed to put more than one & per line in split
environment. So, the question is, where could i get this information ?


2013/1/2 Андрей Забавников <[email protected]>

> Nope, this still not working:
>
> \documentclass[12pt]{article}
>
> \usepackage{a4wide}
> \usepackage{amsmath}
> \usepackage{amssymb}
> \usepackage{amsthm}
>
> \begin{document}
>         fgkdflgkfldkglk:
>             \begin{gather}
>                 T \geqslant \max\left(\dfrac{4\pi}{\delta}\left\lceil
>                     \dfrac{3c_{0}}{\varepsilon'\pi} + 1\right\rceil,
>                     \frac{3}{\varepsilon'}\left(8 \alpha_{0} + 8 \Lambda
> \alpha_{1} +
>                         \dfrac{2 \widetilde{\alpha}_{1}}{\Lambda} \right)
>                 \right), \\
>             \intertext{lgfdgfd}
>                 \begin{aligned}
>                     \delta &= \dfrac{\pi\varepsilon'}{6c_{1}}, \\
>                     \alpha_{0} &= \dfrac{c_{0}}{\pi\delta}, \\
>                     \alpha_{1} &= \dfrac{c_{1}}{\pi\delta} +
> \dfrac{c_{0}}{\pi \delta^{2}}, \\
>                     \widetilde{\alpha}_{1} &= \dfrac{3c_{0} + 2
> \widetilde{c}_{1}}{\pi}, \\
>                 \end{aligned}
>              \intertext{fdfkdjk, fdfdsfds, $c_{0}$, $c_{1}$,
> $\widetilde{c}_{1}$ - fdkdlskk, djskfsjfj:}
>                 \begin{split}
>                     \int\limits_{-\infty}^{+\infty}  \left|f(t)\right|
> \,dt & \leqslant c_{0} & < \infty , \\
>                     \int\limits_{-\infty}^{+\infty}  \left|tf(t)\right|
> \,dt & \leqslant c_{1} & < \infty , \\
>                     \int\limits_{-\infty}^{+\infty}  \left|tf'(t)\right|
> \,dt & \leqslant \widetilde{c}_{1} & <
>                     \infty. \\
>                 \end{split}
>             \end{gather}
>
> \end{document}
>
>
>
> 2013/1/2 Андрей Забавников <[email protected]>
>
>> Thanks to everybody, seems my books mislead me. I looked in amsldoc.pdf
>> and it says "In the structures that do alignment (split, align and
>> variants), relation symbols have an & before them but not after—unlike
>> eqnarray. Putting the & after the relation symbol will interfere with the
>> normal spacing; it has to go before." That's it, am I right (and i'm really
>> interested in the answer to this question) ?
>>
>>
>> 2013/1/2 Андрей Забавников <[email protected]>
>>
>>> Hello to everybody ! First of all sorry for my English since I'm not a
>>> native speaker.
>>> What I wanted to know is whether it is normal for the following code not
>>> to compile with error:
>>>
>>> ! Extra alignment tab has been changed to \cr.
>>> <template> }$\hfill \endtemplate
>>>
>>> l.10                 \end{split}
>>>
>>>
>>> CODE:
>>>
>>> \documentclass{article}
>>>
>>> \usepackage{amsmath}
>>>
>>> \begin{document}
>>>             \begin{equation}
>>>                 \begin{split}
>>>                     g & < & f \\
>>>                     g & < & f \\
>>>                 \end{split}
>>>             \end{equation}
>>>
>>> \end{document}
>>>
>>> END OF CODE
>>>
>>> Did i misunderstood somehow my books or is it some bug or whatever ?
>>>
>>
>>
>
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