On 04/11/2012 01:13 AM, David L. Johnson wrote:
On 04/11/2012 12:12 AM, s nedunuri wrote:
Hello, I wonder if anyone can help me with how to number multi-line formulas, as the Help manual appears to be out of date (it refers to menu options that no longer exist). I am running Lyx 2.0.2. I have a multi-line formula that I created via the "Insert Matrix" command. I would like to number each line in the formula. However, when I try this: Edit | Math | there are two choices: Number Whole Formula or Number This Line. However, they seem to be the same thing.

The problem is that a matrix does not really give you a multi-line formula, it is a one-line formula including a matrix. To get a multiline formula, use one of the aligned environments. I prefer the eqnarray environment. Then you can number each line of the multi-line environment. I will attach a simply LyX file showing first an eqnarray environment, then a matrix environment, both numbered, but the matrix only allows numbering of the whole thing.

The gather environment will also do, or the equation array environment, but not, perhaps surprisingly, the multiline environment, which is specifically intended to a single equation that spans many lines


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