The \label command should be placed in the line you want to reference, the placement in the line does not matter. I prefer to place it at the beginning at the ... ... <看更多>

The \label is on the same equation line (not code line) as the \nonumber and therefore doesn't get any equation number to label and to ... ... <看更多>

Bug description I am struggling to label multiple equations placed within $$ \begin{align} ... \end{align} $$. This works flawlessly. ... <看更多>

Labelling and Referencing Equations in LaTeX ... How to Align Equations - LaTeX Tutorial (Part 3) ... 4 - Labels and References in LaTeX. ... <看更多>

... in a width tag. For proper formatting, the asterisk indicating each row must align vertically, and the hyphens indicating each column must also align. ... <看更多>