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.

learn more… | top users | synonyms

7
votes
0answers
41 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
21 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
26 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) = ...
3
votes
3answers
24 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
55 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
46 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
167 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
30 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
38 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 ...
2
votes
2answers
75 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
384 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} ...
3
votes
1answer
62 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
57 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
89 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
94 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
204 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
55 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
33 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
241 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} ...
6
votes
2answers
157 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
108 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
277 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
614 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? ...
6
votes
3answers
366 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
105 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
89 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
1k 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
50 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
105 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
522 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} ...
1
vote
0answers
64 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
183 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 ...
2
votes
1answer
108 views

\newenvironment does not work

I have created a new environment using this commands: \newenvironment{eqs} {\begin{subequations}\begin{align}} {\end{align}\end{subequations} } I would like to combine subequations and ...
5
votes
2answers
858 views

subequations customize arabic numbering in aligned environment

i've a rather simple problem for the experts out there! :) using subequations, it automatically enumerates the subequations in alphabetic order. is there a way to obtain instead an ...
7
votes
1answer
473 views

numbering parentequation of subequations

I would like to change the numbering of the parent equation of the subequations. \begin{subequations} \label{eq:Parent} \begin{align} a& \label{eq:1}\\ b& \label{eq:2} \end{align} ...
2
votes
1answer
58 views

Reference to the name of subequations

I have a formulation that consists of several subequations that I would like to refer to as a formulation and as individual equation in my article. Right now I have this: \usepackage{hyperref} ...
3
votes
0answers
170 views

hyperref + subequations warnings

This is a follow up question to How to hide known warnings? Recently I decide to stop ignoring LaTeX warnings :), and start trying to discover what's behind them and how to avoid them in future ...
11
votes
4answers
666 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 ...
2
votes
1answer
51 views

Formatting subequations where one of them is a piece-wise function

I have the following LaTeX code: \begin{subequations} \begin{align} F_h(t) = F(\Delta y) = \left\{ \begin{array}{lr} K_h (\Delta y)^{P_h} \; \text{if} \; \Delta y > ...
3
votes
2answers
226 views

How to number subequations separately from the main equation?

I would like to produce in report class the following style for numbering subequations: The main equation has its own number, and can be referenced. Each subequations are labelled with lower case ...
4
votes
2answers
265 views

How to align long subequations while breaking each one?

I want to align all the terms of two similar subequations, but the problem is that each one is long enough to need breaking. The problem is that after breaking \align tries to align every line with ...
5
votes
2answers
152 views

Small indentation after labelled subequations

I am trying to reference a set of equations that are placed within a alignat and subequations environments. I would like to reference them as Eq. 1 together, rather than Eqs. 1a and 1b separately. The ...
3
votes
2answers
781 views

subequations and array in braces

I need something like this: \left\{ first line (1a) second line (1b) third line (1c) \right. all lines should be aligned to left
4
votes
1answer
168 views

Hidden reference to equation

How to make a hidden reference to an equation, such that \mathtoolsset{showonlyrefs=true} is overridden (assuming it is active)? Alternatively, how to switch off showonlyrefs temporarily (regardless ...
1
vote
0answers
39 views

mathematics expression for parameter [duplicate]

I would like to use a number that is a fraction of one constant and one argument of function. I tried: \newcommand{\myfunction}[1]{ \newcommand{\tailleimg}{0.95/#1} } But I get an error ! Illegal ...
4
votes
2answers
536 views

Customizing subequations numbering in itemized list

This is a follow-up on the question subequation numbering in itemized list. \documentclass[10pt]{article} % for fancy math \usepackage{amsmath} % rank operator \DeclareMathOperator*{\rank}{rank} % ...
9
votes
2answers
1k views

Cleveref: Parentheses around references to subequations using \labelcref

Using the Cleveref package (v0.19) i have a problem with missing parentheses when referencing to subequations, using the \labelcref command. Here is a MWE: \documentclass{article} ...
1
vote
3answers
169 views

How can I reference a formula with an on going numbering?

I work with LaTeX for long time and I used eqnarry. But that's obsolete so I gave equation and aligned a try. The problem is, that if I reference to my equation it shows the chapter numbering (?), but ...