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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.

2
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2answers
33 views

Appearance of subequations

When I do \documentclass[12pt]{article} \usepackage{amsmath} \begin{document}\setcounter{equation}{10} \begin{subequations} \begin{align} a = b,\\ a = c,\\ a = d,\\ a = e. \end{align} \end{...
2
votes
3answers
48 views

Cannot split long subequations

I do not seem to be able to split two long sub-equations. I've tried multline, align, split and a few other possibilities but none of them have worked; I reckon a main issue is that I've got brackets ...
2
votes
1answer
40 views

Diagrams in subequations

I am trying to create diagrams like the ones in the photo below. I created the following: \documentclass[11pt]{beamer} \usepackage{pgfpages,amsmath,amssymb,mathtools,color, graphicx, amsfonts, braket}...
2
votes
2answers
47 views

subequations: How to continue numbering while considering scrbook numbering scheme?

The user daleif has posted a nice approach on how to increase equation numbers when using subequations. Minimum Working Example (MWE): \documentclass{scrbook} \usepackage{amsmath} \newcommand\...
3
votes
2answers
57 views

subequations: Equation numbering does not start with no. 1

The user egreg has posted a nice approach on how to increase equation numbers within subequations. Minimum Working Example (MWE): \documentclass{article} \usepackage{amsmath} \usepackage{mathtools} ...
8
votes
1answer
294 views

subequations: How to continue numbering within subequation?

Let's assume we want to create one subequation including four aligned single equations. The first two single equations should be numbered as 1a and 1b while the third and fourth one should continue ...
2
votes
1answer
29 views

\autoref and subequations

I have an issue with \autoref and the subequations environment. I have added the () around the equation reference of \autoref (as explained here) and it works fine with normal equations. On the other ...
0
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1answer
29 views

Grouping lines in cases and aligning them

I am reading an article, where I faced the following: I want to write such a thing in LaTeX. Basically, this whole thing is in a bracket, every two lines are grouped and labeled together, and there ...
2
votes
2answers
60 views

How do you use decimal as labels in sub-equations instead of only whole numbers in align?

In the align environment, it automatically labels consecutive lines within the same environment as (1),(2),...,(n), line by line. But I want it to organize equations more properly and use (1.0), (1.1),...
1
vote
1answer
45 views

How to center the first column of equations in two columns?

I have a set of subequations that I've arranged into two columns using alignat, but currently the subequations are centered on the page. Is there a way of centering the first column of equations, so ...
1
vote
1answer
34 views

How to increase the space between equations written in subequation environment?

I have written the attached optimization problem. But, as it can be seen that equations (1c)-(1j) are very close to one another. I want to add a small space between each equation. What is the neatest ...
2
votes
2answers
241 views

Position figure (left, right, center ) minipage, wrapfigure etc.. and equation

I'm having a problem with the position of the equations and the image. how come the second and third equations have an indentation and are not aligned? (in particular the second one). I think that by ...
0
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4answers
49 views

How to set different alignment rules for different subequations?

I need to group three lengthy equations with {subequations}, here is my code: \begin{subequations} \begin{align} \begin{split}\label{4a} x ={}& 11111111111111111111111111111 \end{split}\\ \...
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vote
2answers
55 views

How do you fit my long equation in my page?

I put this long equation in latex in several lines however when I put Latex into PDF the equation did not appear all. Can I help me? \begin{equation}\label{eq:20} \begin{split} \{T_{1} \in (x_{1},x_{...
2
votes
3answers
166 views

How to get rid of white space between two `subequations` enviroments?

I have a question, how to remove these white spaces between two subequations environments (marked with red '?'). I'm looking for the solution without any \vspace{} commands. I want to fix it ...
8
votes
2answers
179 views

Equation tags with subequations

Consider the following MWE: \documentclass{article} \usepackage{mathtools} \begin{document} \begin{align} \label{system} &\left\{ \begin{aligned} 30^{2} &= h_{C}^{2} + y^{2};\\ ...
3
votes
2answers
87 views

How to shift subequations environment horizontally

How can I shift a subequations environment to the left? \hspace*{} didn't work. \documentclass[journal]{IEEEtran} \usepackage{mathtools} \usepackage[overload]{empheq} \begin{document} \title{...} \...
2
votes
1answer
69 views

How to align an equation with equations inside of a begin{case}

I have the following code \documentclass{article} \usepackage{amsmath} \usepackage{mathtools} \begin{document} \begin{align*} \Omega &= \begin{cases} X &= Y\\ W &= X \...
4
votes
4answers
86 views

how to put equation number at the bottom

i want my eq number 11.72 to appear at the last line.how can i do that? After a wick rotation we obtain \begin{equation} \begin{split} \int \frac{d^4 \mathnormal{k}}{(2\pi)^4}\text{log}(-k^2+m^2)=&...
3
votes
1answer
69 views

showlabels problems with subequations

I would like to resume the post on the \usepackage{showlabels} for a moment working on some things, I found this code very handy, but I saw that when I activate the \usepackage{showlabels}, from ...
3
votes
4answers
347 views

2 x 2 lines equation on a single line separated by a text in the middle

How to write 2 x 2 rows equation on a single line separated by a text in the middle of the form: The picture example is the result that I want to reproduce and can't (which I found in a textbook) ...
2
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4answers
182 views

Customize subequation numbering

I need to customize equation numbering as follows: Some text ... a+b (5) 3+2 (5') ... some more text.... c+d (6) The idea is that (5') is an example of (5). I thought of using ...
1
vote
1answer
44 views

2-column alignment of equations: left-center

It's a long time since I try to align equations centerly with a prefix on the very left of the page. I was able to develop a basic version of it using IEEEeqnarray of IEEEtran class, but since I'm ...
4
votes
1answer
43 views

Automatic “subequations” for amsmath environments?

Is it possible to have amsmath automatically number equations in "subequations" style, when a multiline construct like \begin{align} E &= m c^2 \\ c^2 &= a^2 + c^2 \end{align} is ...
1
vote
3answers
77 views

Formatting of optimization equations

I am writing an optimization problem for a two-column scientific paper. The problem is that I am using the following code to produce the equations, but the output is not aesthetically good as it ...
1
vote
1answer
41 views

How to remove the equation number from both lines when equation is split in two lines?

I am writing an optimization problem for a scientific paper using IEEE tran conference library. I am splitting long equations into 2 lines but then, latex is putting equation number on both lines. ...
4
votes
1answer
207 views

\downarrow in equation

could you suggest me a method to write the equation with the arrow pointing down as in the picture? I do not understand how it could be set. i see this post: Undersetting an arrow beneath an ...
1
vote
1answer
29 views

Subequation Numbering and placement arrangements

\begin{subequations} \renewcommand\arraystretch{1.33} % or some other suitable value \begin{flalign} {}_{\mathrm{L}}^{}\mathbf{M} &\equiv \begin{bmatrix} {}_{\mathrm{L}}^{}\mathbf{M}^{\...
5
votes
2answers
117 views

Indications for improving the numbering of equations contained in a system

As you can easily see from the attached image and code, I numbered each equation manually using \textbf. How do you have to proceed to have a correct automatic numbering of this type with a correct ...
1
vote
2answers
102 views

Range Subequation numbers like (1a-z) instaed of 1a, 1b, 1c, 1d, 1e, …1z

\begin{subequations} %\begin{flalign} \begin{eqnarray} _{\mathrm L}\mathbf{M} \equiv \left\[ \begin{array}{ccc} _{\mathrm L}\mathbf{M}^{\mathrm ...
5
votes
1answer
405 views

How can I type the following equations in Latex?

How can I type equations as the following format? \usepackage{amsmath} \usepackage{cases} \begin{document} % without labels for different case which I need \begin{align*} A & \Longrightarrow B ...
2
votes
1answer
148 views

split subequations in two pages

I have this set of equations that I need to split into two pages. I'm working on beamer. I tried \allowdisplaybreaks but it didn't work: \allowdisplaybreaks \begin{frame} \frametitle{Problem ...
0
votes
1answer
86 views

How to fix a “destination with the same identifier” warning with subequations? [duplicate]

When compiling the following document (a minimal failing example): \documentclass[a4paper,12pt]{book} ...
9
votes
2answers
139 views

Hyperref with align inside subequations

\documentclass{article} \usepackage{amsmath} \usepackage{showframe} \usepackage{hyperref} \usepackage{cleveref} \begin{document} Some text before the subequations. \clearpage \begin{...
1
vote
2answers
104 views

equation and sub equation not properly formatted

I want to write down this equation in latex. \bar\Omega_t=\bar\Sigma_t^{-1} =[G_t\Sigma_{t-1}G_t^T+F_x^TR_t^xF_x] The code I write down in latex to display this equation is \begin{...
1
vote
1answer
89 views

How to split equations in subequation mode

I have the following set of equations in subequations mode and i want to split some of those long expressions to 2-3 lines: \documentclass[12pt]{report} \usepackage{amsmath} \begin{document} \...
4
votes
1answer
77 views

Interlace Subequations Environments

I wish to use the equations environment to obtain the following output: Some text... a &= b \\ (A.1a) c &= d (A.2a) and some more text... a' &= b' \\ (A.1b) c' &...
2
votes
2answers
215 views

Main label in a system of equations

I'm trying to create a system of equations with sub-numbering using the \begin{subnumcases} environment. Everything works perfectly but I would need to place a label somewhere in order to ref the ...
1
vote
1answer
117 views

Reference a set of subequations with a single label in Lyx

Using the subequations module, I have created a set of equations labeled 1a, 1b and 1c. I now wish to refer to them collectively as (1) in subsequent text. Here's my code copied from the LyX file: \...
0
votes
1answer
66 views

Cryptic error message when using cleveref and hyperref with subequations

Compiling the following document with pdflatex gives me a cryptic error message. \documentclass{article} \usepackage{amsmath} \usepackage{cleveref} \usepackage{hyperref} \begin{document} \begin{...
0
votes
0answers
19 views

Aligning main (parent) equation along with all its associated sub-equations at the = sign [duplicate]

In a document, say we have one main equation (eq. 1) and two associated subequations (eq. 1a and eq. 1b). How do we align all three at the = sign? All three must have individual labels/tags to be ...
1
vote
1answer
55 views

Vertical space around subequations environment

("Reduce spacing between subequations" refers to spacing between equation environments within a subequations environment. This question refers to spacing between two different subequations ...
0
votes
1answer
149 views

Subequations in one line with clubbed numbering

I am trying to write a bunch of short equations (subequations, actually) in a single line, and have their numbering clubbed and mentioned at the side end, mentioning them as a range for three or more ...
0
votes
1answer
222 views

How do I install the subequations module with LyX 2.3.0

I have successfully installed Lyx 2.3.0 and would like to install the subequations module / environment that is mentioned in the LyX wiki https://wiki.lyx.org/LyX/NewInLyX23). Unfortunately I can't ...
5
votes
2answers
122 views

How to write chemical formula with branching and with labels for each branch

I would like to express a chemical reaction, which can lead to multiple products (has multiple branches). This is usually expressed using a forked arrow as in the example equation (1) below. I wrote a ...
3
votes
3answers
79 views

Equation number with subequation for few equations in align

I am trying to number equations where few equations are in two parts. For example, in this figure, I want equation '1a' to be '1' and equation '1b' and '1c' to be '2a' and '2b' respectively. Also, eqn ...
0
votes
1answer
53 views

Horizontal alignment of equality signs written on different position of multiple equations

I want to align these subequations which have two equality signs occuring at different postions. I want equations with equality sign occuring at middlle to be aligned same and the equations with ...
3
votes
2answers
127 views

Subequations with brace and aligned systems of equations

I am looking for the best way to align systems of equations in a subequations environment with a brace on the left side and an introductive sentence. This is what I have for now : \documentclass{...
0
votes
1answer
140 views

Warning in equation

I had inserted these equations: \begin{subequations} \begin{align} \rho(\bm{z}) = \bm{z}; \label{eq.:Rho(z)=z} \\ \bm{x}(\bm{z}) = \epsilon + (1 - \epsilon){\bm{z}}^p, ...
3
votes
3answers
40 views

Aligning Independent Sub equation environments horizontally

I want to horizontally align the equality signs of all three or last two sub equation environments defined separately. Code: \begin{subequations} \begin{align} \alpha_1 &=\frac{1}{4}\left[(L-1)^...