Similaryl evaluate second term seperately and call it (3.2) or (3.b). In fact, your example is probably best with the cases environment. Again, use * to toggle the equation numbering. Here we arrange the equations in three columns. Subequation Numbering. There are two terms in equation (3). As you see, the way the equations are displayed depends on the delimiter, in this case \[ \] and \( \). The first one is … formulas, graphs). The two subsequent labels refer to 1a and 1b respectively. When numbering is allowed, you can label each row individually. \end {document} ... just mixing in sub-numbering in aligned environments is not so common and less supported by default. If you want to group the equation numbers as, for example, (1a) and (1b), then you must do the following: Add \usepackage{amsmath} to the document preamble. 7 posts • Page 1 of 1. LaTeX assumes that each equation consists of two parts separated by a &; also that each equation is separated from the one before by an &. Mathematical modes. TeX - LaTeX: If I want to change the equation numbering I can use addtocounter{equation}{n}. Open an example in Overleaf. Cham ... {subequations} Equation \ eqref {eq-a} is not the same as equation \ eqref {eq-b}. ~ What is the subequations counter named? I have an equation which is numbered as (3). Here’s a MWE showing my issue: documentclass{book} usepackage{fontenc} usepackage{lmodern} usepackage{geometry} usepackage{microtype} usepackage{amsmath} usepackage{amsfonts} usepackage{mathtools} usepackage{tensor} begin{document} Blabla: begin{subequations} … eg. Latex: How to write multiple subequations in one line with clubbed numbering at the side end? By putting a \label command immediately after \begin{subequations } you can get a reference to the parent number; \eqref{grp} from the above example would produce (2) while \eqref {second } would produce (2a).. You can also use the subequations environment to skip an equation number but record it in a label. to get. This could be used to give an equation number to a Figure or list, for example L a T e X allows two writing modes for mathematical expressions: the inline mode and the display mode. Put your equations within an equation environment if you require your equations to get numbered. if I want to label a subequation by 1.7? Before the equation block, hit CTRL-L to add a LaTeX block, and type \begin{subequations}. The first label, 'all1', before the \begin{align} , creates a label for the complete set of equations (1, in this case). Is this possible? I want to evaluate the first term and call it (3.1) or (3.a). E.g. The split environment will align these smaller parts. Open an example of the amsmath package in Overleaf Otherwise, use equation* (with an asterisk (*) symbol) if you need equations without the line number.. As shown in the example above, utilize the split environment if you would like to split the equations into smaller parts. For unordered lists, LaTeX provides the itemize environment and for ordered lists there is the enumerate environment. Changing the numbering / bullets; Using lists in LaTeX is pretty straightforward and doesn't require you do add any additional packages. Is there a way to number subequations in sequence with respect to the parent equation? First of all, you probably don't want the align environment if you have only one column of equations. Information and discussion about LaTeX's math and science related features (e.g. How do I change the subequation numbering? TeX - LaTeX: I’m trying to fix some equations numbering, using the subequations environment. The amsmath package introduces the subequations environment. Thank you Omkar