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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3
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1answer
33 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
158 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} ...
1
vote
1answer
28 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
48 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
86 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 \...
1
vote
1answer
55 views

how to subscript when there is a cap on mathematical expression?

The following equation is typed using MS word When I tried to type same using latex with subscript _i ended up with this result bcoz there is a cap above subscript "beta". The latex output is this ...
0
votes
0answers
20 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: \...
6
votes
1answer
194 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
49 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
43 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 ...
3
votes
2answers
64 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 "...
1
vote
0answers
17 views

Cross-references to labels in subequations+gather environments fail to point to the correct place

The labels in my subequations+gather environments fail to point to the right place. See below. % Using MikTeX 2.9 on Windows 7. Compiling with TeXstudio 2.10.8 \documentclass{article} \usepackage{...
1
vote
1answer
41 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 ...
1
vote
0answers
18 views

Labeling multiple equations like (1a-c)

I want to label two or three equations in the same line such as x = r, y = w (1a,b) z = t, a = q, b = p (1c-e) Thanks
3
votes
1answer
42 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{...
7
votes
1answer
84 views

Subequations with more than 26 items

I need any solution to this problem. I have a subequations environment with an align environment inside of it, and then a bunch of equations. A lot of equations. Actually more than 26. When I try to ...
8
votes
0answers
105 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
59 views

Force the numbering of a specific equation when mathtools showonlyrefs is true

In order to don't waste time in adding/removing *-caracters to number or not equations, I use \mathtools{showonlyrefs=true} in the preamble. Nevertheless, sometimes I'd like to number unreferenced ...
3
votes
1answer
29 views

Special full stop with subequations

With this code: Si scriverà, pertanto: \begin{subequations} \label{eq:laplace-2} \begin{align} & Z (s^2 M + s C_s + K_s) = Z_u (s C_s + K_s)\\ & Z_u (s^2 m + s C_s + K_s + K_t) = Z(...
3
votes
3answers
38 views

Error with ifacconf.cls and subequations with more than twelve equations

I'm working on a paper for an IFAC conference for which you're supposed to use their ifacconf.cls, resulting in a fairly standard layout. However, you get an error when you use subequations (amsmath) ...
4
votes
2answers
111 views

How do i `\tag` a subequations environment as a whole? [duplicate]

I have a similar subequations environment as in the mwe \documentclass{article} \usepackage{amsmath} \begin{document} \begin{subequations}\label{eq:w} %\tag{myEQ} \begin{align} a &= b \...
3
votes
2answers
88 views

Label terms of LaTeX equation [duplicate]

I'm interested in labelling my latex equation, by giving the physical phenomenon contributing to the term. For instance x = f(y) + g(y). So a horizontal curly bracket to explain that f(y) is derived ...
5
votes
4answers
195 views

Annoying long equations in LaTeX

I am giving up on this long and annoying equation. I tried in so many different ways to try to fit into my page, but no success so far...Any suggestions, please? How to break down this long equation ...
2
votes
1answer
39 views

Use of \afterpage package causes equation to be inserted into following subequations

I have a very long equation, which cannot be split apart, which I place on a landscape page on its own. However, when I compile the document, this equation now seems to have been placed inside the ...
0
votes
0answers
42 views

Why does commands with \begin{} and \end{} not work? [duplicate]

Since I use the combination of an 'align' environment inside a 'subequations' environment a lot, I decide to create the following two commands: \newcommand{\asdfa}{\begin{subequations}\begin{align}} \...
2
votes
2answers
45 views

How to reference long equations by numbered alphabets [duplicate]

I have 2 long equations when I want to label them as 2a and 2b by using subequation a problem occur that each line of equation n pdf gets number inspite of each equation so thats why i got more ...
3
votes
2answers
120 views

Subnumbering Equations Under the actual equation number

I am trying to write an optimization problem like below using eqnarray: Max z =a + b (1) s.t a > 1 b < 4 But I want to write the sub-equation numbers as (1.a) and (1.b) ...
4
votes
2answers
4k 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{...
3
votes
1answer
99 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 ...
5
votes
1answer
97 views

cleveref and aliascnt: referring to subequations and inequalities in a smart way

Preliminary Remark: A document may contain labels referring to equations and subequations, respectively. Moreover, some of the equations may actually represent inequalities. When using the cleveref ...
1
vote
1answer
176 views

multiple subequations same line with reference compact

I posted a question earlier, multiple subequations same line with reference But I'd like to be able to combine the numbering at the end of the line for the following two cases: Re = UL/nu , Ha = BL ...
2
votes
1answer
180 views

Difference in usage between \subequations and \gather?

I wonder how environment \subequations is different from \gather. I know the numbering format for the two is a little bit different and you can refer to a single equation in \subequations environment. ...
0
votes
0answers
9 views

How do you write multiple terms on RHS enclosed in curly braces in an equation? [duplicate]

How do you implement this in latex? I can align '=' but how can I get the large curly brace and all three terms aligned properly? Please help.
1
vote
1answer
354 views

multiple subequations same line with reference

I'm trying to write several equations on one line, include a label for each equation, and also be able to view the equation number for each equation. Is this possible? I've seen several related ...
0
votes
1answer
65 views

Rename Equations to 14a and 14b but keep ordering

I have Equations 11, 12, 13 and so on. I want the next equations to be 14a and 14b, but the one after should again be 15, i.e., keep the ordering. I know how to tag equations, but then the equation ...
1
vote
1answer
44 views

Referencing subordinate equations

I have this equation in my paper: \begin{subequations} \begin{align} \label{eq:pv-omega} \hat{p} = pv \ll j\Omega \quad \Rightarrow \quad \gamma=2,\\ \hat{p} = pv \gg j\Omega \quad \...
5
votes
4answers
252 views

number a system of 4 equations in 2 lines

I have written 4 equations in two lines and I want to give a single number for all of them without changing their format. My code for the equations is the following: \begin{center} $\dot{R}=\frac{66}{...
6
votes
2answers
190 views

How to avoid extra equation numbers while using subequations?

I searched through the web but I could not find the solution to my question: I try to write equation in the following format: TYPE a: A = {mathematics relation-a} 3.1 TYPE b: B = {mathematics ...
3
votes
2answers
133 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 ...
4
votes
1answer
486 views

Why is there a larger vertical space after the first subequation?

I am using the subequations environment and observe non-uniform vertical spacing between subequations. Specifically, the space between the first and second equation is larger than the other spaces. ...
6
votes
3answers
2k views

subequations align

Can anyone help me fix this problem? Actually, there is no need to have 1(b), 1(d), 1(f) and 1(h) since they are deriving from the last line. Can I have just four subequations? \documentclass{article}...
6
votes
3answers
516 views

Enumerate equations in an array after a curly brace

How to enumerate two equations that go after a curly brace? How to make the enumeration use digits and letters, so two equations have number 1.a and 1.b? \documentclass{article} \usepackage{amsmath} ...
5
votes
1answer
222 views

Subequations with main equation number

I would like to have a set of equations, all under the same number, but with a "main" equation, and some other equations that follow being labelled with subnumbers, for example 1 = 1 (...
3
votes
1answer
92 views

Subequation behavior for ungrouped equations?

I have several equations at different places in my paper, and I want to number them as I would using subequations, e.g. 1.a, 1.b, 1.c, 1.d. The problem is that they do not follow each other ...
6
votes
2answers
2k views

Number of Equation: 1, 1a, 1b

Following Problem: I have a PDE and two boundary conditions what i actually want is: PDE (1) BC1 (1a) BC2 (1b) and what i have is: PDE (1) BC1 (2a) BC2 (2b) is there something which provides a ...
3
votes
1answer
60 views

hyperref pointing to the wrong equation using subequations

I'm using the following code to write an article, but I'm having some problems cross-referencing the equations with hyperref. The \eqref{} code returns the right equation's number. But the hyperlinks ...
4
votes
1answer
116 views

Amsmath double line equation alignment centered

I need an equation that consists of three parts (or one equation including 3 equations in total), it should look like this: My code for now gives me the following: So I would like to have the two ...
4
votes
1answer
749 views

Subequations, tags and numbering

I have a problem with the following code. \begin{subequations} \begin{empheq}{align} & a = b \label{E1} \\ & c = d \label{E2} \end{empheq} \end{subequations} \begin{subequations} \begin{...
1
vote
0answers
70 views

Referring to a complete subequation environment. Is there a recommended style? [closed]

I have a subequations environment which is labelled and inside it I have an alignat environment which has a label for each line. Would you say it is ok to refer to the complete model as I do it in ...
4
votes
1answer
241 views

Center some lines within an alignat environment nested in subequations environment

For typesetting a mathematical program I use the subequations environment to number the equations. The restrictions are aligned using the alignat environment (see MWE1). What I would like to achieve ...