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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.

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How to increase the space between two 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 ...
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2answers
99 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 ...
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4answers
33 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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2answers
44 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_{...
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3answers
158 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 ...
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2answers
167 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};\\ ...
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2answers
70 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{...} \...
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1answer
64 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 \...
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4answers
48 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
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1answer
57 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 ...
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4answers
328 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) ...
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4answers
73 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 ...
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1answer
39 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
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1answer
32 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 ...
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3answers
66 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 ...
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1answer
28 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. ...
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1answer
120 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 ...
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1answer
28 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}^{\...
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2answers
96 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 ...
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2answers
70 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 ...
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1answer
392 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 ...
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1answer
75 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 ...
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1answer
37 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} ...
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2answers
125 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{...
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2answers
83 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{...
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1answer
53 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
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1answer
70 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' &...
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2answers
81 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 ...
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1answer
74 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: \...
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1answer
44 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{...
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0answers
18 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 ...
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1answer
48 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 ...
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1answer
74 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 ...
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1answer
118 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 ...
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2answers
90 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 ...
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3answers
53 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 ...
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1answer
46 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 ...
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2answers
114 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{...
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1answer
126 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, ...
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3answers
36 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)^...
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1answer
51 views

Subequations inside table including citations of equations sources

I'm converting a Word file into LateX and I'm encountering some issues with subequations within a table... Here is the Word table I'm trying to reproduce : So far I mannaged to use a few answers ...
2
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1answer
41 views

How to use \eqalignno properly?

I'm trying to use the following aligned equations, but It does not work and gives bunch of error. This is my first time trying to use this command so kind of struggling to make it right. I could find ...
2
votes
1answer
26 views

Combine two equations with linebreaks into subequations

I have two separate equations with line breaks. However, I would like them to be subequations and, thus, numbered as (1a) and (1b). I have tried all sorts of things (e.g. working with \begin{...
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2answers
53 views

Nested align with full subnumbering of all rows

I want to have an equation containing nested align environments, where each row is numbered like a subequation like 1a), 1b), 1c) etc. I have the following code that does already almost what I want: ...
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1answer
94 views

How do you align multiple empheq boundary conditions?

I am looking to align my curly brackets on the slide but cannot figure out how to do this. I have tried grouping an align statement around each as such: \begin{align} \begin{subequations} &\...
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2answers
118 views

Equation numbering inside aligned placed next to an alignedat

I have a group of equations on the left hand side and a group of explanations on the right hand side. Since the number of lines in both group differ from each other I use the aligned and alignedat for ...
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1answer
61 views

How to add a left bracket in subequations environment while keeping the equation number displayed [duplicate]

There are three equations to be edited, where each of them need an equation label. Besides, the latter two ones need to gathered by a left bracket {. The final result is like this:
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2answers
78 views

Equation Number Overwriting

\documentclass[12pt, letterpaper]{Ultheses} \addtolength{\footskip}{0.25in} \usepackage{amsmath} \usepackage{array} \usepackage{tabu} \usepackage{graphicx} \graphicspath{ {/} } \usepackage{matlab-...
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1answer
99 views

Why does not subequations numbering work as intended when I customize it?

I am using IEEEtran for typesetting and it seems that subequations are cited appropriately when leaving their numbering to the default value. When I customize it, however, the equation numbering ...
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0answers
30 views

How to reference on group of equations? [duplicate]

I have the TeX code \begin{subequations} \begin{align} \sum_{i=1}^d \mu_i w_i &\ge \bar{\mu}_p, \label{conES1}\\ \sum_{i=1}^d w_i &= 1, \label{conES2} \\ w_i &\ge 0, \quad \forall i. \...