Latex manual equation numbering

There are two ellipses low or on the line ellipses and centered ellipses. The low or on the line ellipses are types as F (x_ {1}, x_ {2}, \dots, x_ {n}) and the centered ellipses are typed as x_ {1} + x_ {2} + \dots + x_ {n}. LaTeX gives \ldots command to distinguish between low and \bdots for centered ellipses.  · and I have equations in the section before the subsection, the numbering will be something like or if I have equations in the chapter before any section the numbering will be I don't want www.doorway.ru Interaction Count: The following graphic shows the output produced by the LaTeX code: You have to wrap your equation in the equation environment if you want it to be numbered, use equation* (with an asterisk) otherwise. Inside the equation environment, use the split environment to split the equations into smaller pieces, these smaller pieces will be aligned accordingly. The double .

In case one does not want to have an equation number, the *-version is used: \begin{equation*} a = b + c \end{equation*} a= b+ c All other possibilities of typesetting simple equations have disadvantages: The displaymath-environment o ers no equation-numbering. To add or to re-move a \*" in the equation-environment is much more exible. I know using \begin{equation} automatically numbers the equation but I want to number it manually. Like this: ax=b ax=b • An easy way to substitute a variant equation number for a given equation instead of the automatically supplied number. • An easy way to produce subordinate equation numbers of the form (a) (b) (c) for selected groups of equations. The amsmath package is distributed together with some small auxiliary pack-ages.

You should load the amsmath package (if you don't do so already) and use its \tag macro to assign whatever number or symbol you like to a. This documentation describes the features of the amsmath package and dis- An easy way to substitute a variant equation number for a given equation. three compiler passes are required for the references to show up properly · this does not work with cleveref, but the cleveref manual mentions another package.