Questions tagged [subequations]

The {subequations} environment provided by the amsmath package alters the numbering of equations within it to occur in a sequence such as (1a), (1b), .... This tag is not about general embedding of equations within other equations.

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9
votes
2answers
24k views

Equations aligned center

The following code \begin{equation} \label{eq:test} \begin{aligned} A=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\\ B=BBBBBBBBBBBBBBBB\\ C=CCCCC, D=DDDDDDD\\ E=EEEEE, F=FFFFFFF \end{aligned} \end{...
4
votes
3answers
4k views

Center subequation of multiple lines

I would like to keep my style of subequations but I also would like to center these subequation, which is on multiple lines (because it's length). So that means, the second part/line of the ...
0
votes
3answers
227 views

Formatting a system of equations with one on multilines

I'm trying to write a system of 3 equations, subnumerated, left-aligned with a big left brace, compiled with pdflatex. So far I tried the subequations with empheq environment: \begin{subequations} \...
0
votes
2answers
1k views

fit long equation into one line

I think this equation will fit into one line, but I'm running out of space in the editor. I don't want to split the equation (I don't think I will need to) \begin{subequations} \begin{align} \nu_{p} ...
2
votes
1answer
65 views

How to squeeze space around these subequations?

I have two subequations as follows. I need to squeeze space before and after "and". MWE: \documentclass[journal]{IEEEtran} \usepackage{mathtools} \usepackage{amsmath} \begin{document} \begin{...
27
votes
0answers
847 views

Advanced Math and braille

How does one go about typesetting math books in braille with all parenthesized subscripts and superscripts and are there braille signs for the amsmath package special symbols?
2
votes
1answer
422 views

System of equations numbering and cref

I'm using the SIAM template, and I want numbering a system of equation 1a,1b,..., to label them and to be able to quote them thanks to the \cref command from the cleveref package. I tried the ...
1
vote
1answer
2k views

numbering a system of equations [duplicate]

How can I add a number to the following system of equations so that the first equation take the number (1.a) and the second (1.b)? \begin{equation} \left\{ \begin{array}{l} \begin{aligned} x_k & ...
0
votes
1answer
42 views

How to work out as in picture!

Can you show me how to work out as in picture? Thank you!
1
vote
1answer
62 views

Hiding tag in a subequations and align environment also centring

I need to hide tags inside subequations and align environments. I do not want to use \tag{}, the tag should be placed automatically when I typeset. Here it is, \begin{subequations} \begin{align} H(x,...
1
vote
1answer
720 views

How to align an equation within a \begin align block?

Right now I have a piece of code which generates the following two equations \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{amsthm} \usepackage{amsmath} \usepackage{thmtools} ...
1
vote
1answer
658 views

\end{align} error due to equation

Currently I have a a set of equations with nested text in between them using intertext, however I have a problem with the last equation refusing to output (eq:4.3) \documentclass[10pt]{article} \...
3
votes
1answer
2k views

How to make subequations

I need equation (1) followed by equation (1.a), (1.b), etc. But I am getting equation (1), then (2.a) (2.b), etc. \documentclass{llncs} \usepackage{amsmath} \usepackage{placeins} \begin{document} \...
2
votes
1answer
192 views

Multiple equation of different length within a cell

I have something of the form \documentclass[11pt]{article} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage[english]{babel} \usepackage{amsmath} \usepackage{mathtools} \begin{...
1
vote
1answer
152 views

“subreactions” with chemmacros reactions module

I would like to use something like subequations within the reactions environment provided by chemmacros. Something like this: A -> B {1a} B -> C {1b} C -> D {1c} This doesn't work: \...
11
votes
4answers
2k views

Equation number for each row of a matrix equation

Is it possible to give an equation number to each row of a matrix equation? How could I have equation labels in the vein of subequation numbers, one for each row of the matrix equation? Here, I'd ...
3
votes
2answers
277 views

How to make two (possibly far away) equations be numbered as subequations?

I have the following Latex equations: \begin{subequations}\label{eq:e1} \begin{equation} z = \min_x\{c^Tx + W(x), x\geq 0\} \end{equation} \end{subequations} some text as long as a paragraph \begin{...
0
votes
1answer
172 views

Paragraph writing within subequations and equations

i had an issue with writing a paragraph within the equation having subequations as given in snap shot..thanks in advance...
4
votes
2answers
700 views

Is subequations known to introduce vertical white space? [duplicate]

In this MWE, there is additional white space between the line of text and the following subequations environment. It disappears when I unload hyperref, when I remove the wrapping subequations ...
1
vote
2answers
206 views

Adding a new line in a part of an equation

I am facing problem in writing the \underset part of the \sum of the following equation (i.e. path($u^{(\pi_1)},u^{(\pi_2)},\dots,u^{(\pi_t)}$), from $\pi_1=j$ to $\pi_t=n$}) I want it to break in ...
2
votes
2answers
894 views

Subequations and align: ERROR: Package amsmath Error: \tag not allowed here?

I have an issue with my optimization problem. It is given in the following. \documentclass{article} \usepackage[english]{babel} \usepackage{amsmath} \usepackage{amssymb} \usepackage{...
5
votes
1answer
768 views

Align equations with multiple subequation groups

I usually use the subequations environment with a nested alignso I can have nicely aligned equations with that neat 1a, 1b, 1c, etc. numbering and that's fine. But now I would want to still align ...
3
votes
2answers
1k views

Refer to the “name” of an equation, while a List of Equations is generated using these names

I link two questions below because I use their solution, to number my equations and generate a list of my equations. My question about numbering equations: Number of Equation: 1, 1a, 1b Generate a ...
1
vote
1answer
459 views

how to remove equation label in subequation?

I have the following commands to create 2 lines of equation. The first line contains 4 equations therefore it should be labeled as (1a-d). The second line contains 2 equations therefore it should be ...
2
votes
2answers
617 views

Align, equation numbering

I try to get a equation like this: This is my code: \documentclass{scrartcl} \usepackage[a4paper]{geometry} \usepackage[ngerman]{babel} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \...
2
votes
4answers
2k views

align for subequations

The output with the code is all wrong. How can I get it to start "X" centimeters from the left margin? \documentclass[11,fleqn]{article} \usepackage{verbatim} \usepackage{caption} \usepackage{amsmath}...
1
vote
1answer
505 views

multiple single line equations with part of text

I am not able to align them properly. How can I have multiple line equation, with each equation is labeled properly. Here is an example: \documentclass{article} \usepackage{amsmath} % for 'align*' ...
1
vote
1answer
645 views

Numbering sub-equations with a specific alignment

Please help me to get following set of equation such that I want to number only A_1(\alpha,\beta) \geq r_1;~B_1(\alpha,\beta) \geq r_1 and A_2(\alpha,\beta) \geq r_2; ~ B_2(\alpha,\beta) \geq r_2 ...
3
votes
1answer
180 views

referring to Eqn. 1a) and 1b) in a sentence as eqn. (1)

I have two equations. [1a) and 1b)] And I want to refer these equations in a sentence as Eqn. (1). How can I do it? Thanks.
0
votes
2answers
214 views

Multicolumn changes equation numbering indentation

I want to display a mathematical problem definition in LaTeX. I know there are several ways to do this, but I would still like to get this method working. Here is a minimal example. The real equations ...
1
vote
2answers
658 views

How to place equation number below formula?

I have 3 matrices and I want them to be in one row, with a reference number below each matrix. How do I get the equation number below a formula? (similar to subfigure) From the comments: - I want to ...
4
votes
2answers
293 views

underbrace in each subequations in align environment

I have \usepackage{romannum} \usepackage{amsmath} \usepackage{mathtools} How is it possible to write using \begin{subequations} \begin{align} ... \end{align} \end{subequations} The code is ...
2
votes
0answers
335 views

How to create new environment based on subequations

I've created new environment based on equation for chemical reactions that use roman numbers. I would like to create another environment based on subequations that use this numbering format. Below you ...
1
vote
2answers
51 views

Problem with 'subequations'

I am trying to use 'subequations' environment in my document but it fails to do it right. It appears to happen whenever hebrew language is used somewhere in the document. Here is a MWE: \...
2
votes
2answers
977 views

Align and split subequations

I would like to ask for some help with aligning subequations. Note that we have two subequations that need to be split due to its size. Thus, my code is: \begin{subequations} \begin{alignat}{4} \...
0
votes
1answer
446 views

Subequation and Text

Please, I would like to know how I can to do this: Example: TextTextTextTextTextTextTextTextText x^2 + x = 1 (1.1) ...
2
votes
1answer
90 views

How to get these subequations to start at the same point?

\begin{subequations} \begin{equation} v_{n+\frac{1}{2}}=v_n + \frac{1}{2}a(n) \Delta t \end{equation} \vspace{-\baselineskip} \begin{equation} r_{n+\frac{1}{2}}=r_n + \frac{1}{2}v_n+\frac{1}{2}\...
1
vote
0answers
71 views

both horizontal and vertical subequations

I've been having a really hard time figuring out how to accomplish a both vertical and horizontal subequation block while they are still aligned, so that it would look something like: (1a,b) ...=......
0
votes
3answers
1k views

Bracket in subequations

I have two equations, places inside subequations. How can I put the bracket { on the left side of these subequations? P.S.I tried cases, but it doesn't work there - error "Missing $ inserted" \begin{...
3
votes
1answer
230 views

several multlined equation alignment

I am writing something for a journal that requires two column page... space for equations is really small and some of my equation are fairly large. When using the class of the journal equations do ...
4
votes
3answers
577 views

Numbering equation in the form (4a-d)

how I can number my equations in this form: Equation1; Equation2; Equation3; Equation4 (4a-d) while all of them are located in the same line \begin{subequations}\label{eq:35} \begin{align} u(...
1
vote
1answer
696 views

Problem in writing overline

I am trying to write this: This is what I wrote: $\pi$'$\cdot$role = $\overline{$\pi$$\cdot$role}$ But I am getting errors: paper.tex(37): Error: Missing } inserted. paper.tex(37): Error: ...
1
vote
1answer
793 views

Itemized within align

I have the following MWE \documentclass[12]{article} \usepackage{amsthm,amssymb,amsfonts,amscd} \begin{document} \begin{subequations} \begin{align} \text{\textbullet} && \eta_i & = \...
6
votes
2answers
975 views

Alternative subequations numbering and references

I know how to have a set of equations numbered as subequations: \documentclass{article} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} \usepackage{amsmath} \begin{document} Some text here \...
6
votes
1answer
221 views

How to place braces in multiple equations

I have the following expression: \begin{equation} \begin{aligned} %C1 \sum_{i = 1}^{m}{y^{C_1}_i} &= m\beta_0^{C_1} + \beta_1^{C_1}\sum_{i = 1}^{m}{x_{i1}^{C_1}} + \cdots + \beta_q^{C_1}\sum_{i = ...
2
votes
1answer
203 views

Labels with subequations [duplicate]

I would like to align the equation like this but instead have the label (40.a) and (40.b) for the last two lines. I don't know how to do this with subequations because of the \times\left{ that should ...
2
votes
1answer
2k views

Block of equations with only some being subequations

I'm trying to make a block of equations where the first two are standalone equations, and the second two are subequations, ie X=XXXX (1) X=XXXX (2) X=XXXX (3a) =XXXX (3b) I'm using the amsmath ...
2
votes
1answer
373 views

How to include a system of equations in a subequation environment?

I am wondering how to include a system of equations in a subequations environment. I currently have the following document as an example : \documentclass{article} \usepackage{amsmath} \begin{document} ...
3
votes
2answers
830 views

Subequation: Counter too large

I have several parent equations each with more than 30 subequations. When I write it normally with subequation command, I receive "counter too large" error. I found out that there is a package named "...
0
votes
1answer
1k views

Equation numbering gone wrong

There are three issues that I would like to fix which are probably interlinked, but don't know how (have tried a couple of things): 1) Force the equation numbering of equation 3.7 to move to the ...