Tagged Questions

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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0answers
28 views

Reducing space & Auto coloring equations in gather environment

Following the solution in Problem with vertical spacing of equations in itemize after the first \item, I have another (side-effect) problem in colouring equations. Please help. The problem is ...
4
votes
1answer
55 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 ...
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0answers
46 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 ...
4
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2answers
163 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 ...
3
votes
1answer
48 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} ...
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0answers
38 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} ...
2
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0answers
58 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 ...
8
votes
1answer
167 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
42 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
114 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
85 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
82 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 ...
2
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1answer
132 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
78 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
163 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
322 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
120 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 ...
6
votes
2answers
144 views

Reference to subequation forces serif font; how to work around?

I'm using the subequations environment in a book in which some text is in sans serif font. When I have a reference to a subequation, the reference comes out in a serif font, even if the surrounding ...
3
votes
1answer
114 views

Labelled subequations in table with multiple equations per row

I'm trying to make a table containing 4 equations in which the two in the left column are labelled 1a and 1b, and the two in the right column are labelled 2a and 2b. I've been able to construct such ...
2
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0answers
58 views

Can't align list of equations uniformly after “subequations” break, why? [closed]

I'm trying to write a list of equations from a chapter of my textbook, each one preceded by a \label{} command so that I can refer to it in the rest of the text. However after the 1st \begin{align} ...
3
votes
1answer
83 views

To have nice tabbed text next to equations?

I want I have at the moment by \documentclass{article} \usepackage{amsmath} \begin{document} \begin{subequations} \begin{equation} \omega_c = \sqrt{\omega_{0}^{2} - \mu^{2}}, \mu < ...
3
votes
2answers
220 views

Number equations within array

I want to number sub-items of an array I have in order to refer to the right equation and not to the set of equations (SEE the pictures attached): Figure that should call 1.35a, 1.35b, 135.c, 1.36a, ...
6
votes
1answer
499 views

Equation numbers for boxed multiline equations

I am attempting to set a box around multiline equations is LaTeX using the following code: \documentclass{article} \usepackage{empheq} \newcommand*\widefbox[1]{\fbox{\hspace{2em}#1\hspace{2em}}} ...
4
votes
3answers
752 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 ...
6
votes
2answers
370 views

Subequation aligning using matrix

When I use multiple matrix equations in subequation, I am doing it as in the code snippet. However, when I want to align the equations with respect to equal sign, = (commented in the code), I am ...
3
votes
3answers
188 views

subequation numbering in itemized list

This is what I generated for a set of equivalent definitions of positive semi-definiteness. \documentclass[10pt]{article} % for fancy math \usepackage{amsmath} % rank operator ...
3
votes
1answer
195 views

Equation numbers under equations

I have three similar equations which I want on a same line. I put them in tabular environment nested within subequations following this: subequation in tabular. Now I have this code: ...
2
votes
0answers
136 views

hyperref, babel and subequations conflict [closed]

I am trying to use subequations in a document. Playing around with my preamble I found out that if I use babel and hyperref package at the same time, a fatal error is occured and no .pdf is produced. ...
1
vote
0answers
36 views

How can I use a curly brace together with subequations? [duplicate]

The code \begin{equation} \begin{cases} x+y=2 \\ x-y=0 \end{cases} \end{equation} produces two aligned equations, with a curly brace to the left. I want to refer to the individual equations, and ...
3
votes
1answer
646 views

Tufte LaTeX not recognizing subequations and \usepackage[table]{xcolor}

I have a LaTeX document that I want to put in tufte format. However, when I compile it is not reconizing the \begin{subequations} (I used \usepackage and not accepting the \usepackage[table]{xcolor} ...
2
votes
1answer
368 views

How may I insert white vertical space between subequations?

I have the following MWE \documentclass[11pt]{article} \usepackage{empheq} \newcommand*\widefbox[1]{\fbox{\hspace{2em}#1\hspace{2em}}} \begin{document} \begin{subequations} ...
4
votes
3answers
557 views

Interrupting and resuming subequations

As the title states I would like to interrupt and resume a block of equations that is inside a subequations regime. My problem arises when the interrupting stuff shall contain equations on its own: ...
3
votes
1answer
163 views

Using subequations without amsmath

Following on from my previous question regarding the use of align and aligned without 'amsmath', I am currently working on a proceedings paper, and have realised after finishing it that only specific ...
6
votes
1answer
425 views

Subequations inside align result in too wide equation

I want to create subequations and allign them such that nice 'inquality constraints' arise. My current code: \begin{subequations} \begin{align} a & \le b & \le c \label{eq:constr1}\\ d & ...
2
votes
0answers
26 views

flushing lines in gather environment [duplicate]

Possible Duplicate: How can I add left aligned text to an equation? I need to write a system with sub-items looking like this: \begin{subequations} \begin{gather} \text{ {\textit{First ...
10
votes
2answers
2k views

Nesting subequations within align

subequations seems to only work outside environments such as align and equation. What if I want to preserve the alignment of the equal signs using align while also would like subequations numbering ...
4
votes
2answers
4k views

Sub-numbering equations within array

I'm using the array environment to give multiple definitions of some value, let's call it x. I can easily get a reference to all 3 definitions together, but I want each one to have its own reference. ...
1
vote
2answers
351 views

Error using subequations

I am using subequations. There is no way to get a right output... I am using \documentclass{book} \usepackage{amsmath} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsthm} \begin{document} ...
8
votes
1answer
479 views

\eqref to give reference to a sequence of subequations

Suppose I have the following code \begin{subequations} \begin{align} a+b = c \label{eq.1}\\ d+e = f \label{eq.2} \end{align} \end{subequations} I want now that upon giving the reference, it ...
5
votes
1answer
1k views

Hyperlinking problems when using subequations, hyperref and cleveref

The problem Hi. I'm currently writing my thesis and have my equations numbered within sections. I also use subequations from amsmath. When I use amsmath, hyperref and cleveref together, however, I ...
5
votes
1answer
514 views

Mathtools' showonlyrefs fails with subequations

For the code \begin{subequations}\label{eq:sub} \begin{gather} \frac{\text{d}b_1}{\text{d}z} - \im\beta_1b_1 = C_{12}b_2,\\ \frac{\text{d}b_2}{\text{d}z} - \im\beta_2b_2 = C_{21}b_1. ...