{amsmath} is a package provided by AMS that enhances LaTeX's mathematical typesetting capabilities in various ways.

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1
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2answers
147 views

Different horizontal (!) spacing of delimiters with `\left`, `\bigl`, `\Bigl`,

I use \arrowvert as a middle delimiter. For example in the definition of sets, i.e. \lbrace x \arrowvert x < a \rbrace. Moreover, I try to avoid \left, \right and \middle but use the AMSmath macros ...
0
votes
1answer
60 views

Getting items above and below a compound math symbol

I'm trying to get information to appear above and below a math symbol such as \sum or \leftrightarrows. I've found information detailing \mathop and the syntax behind it but when I try to use it, it ...
1
vote
1answer
83 views

ams math + AUCTeX + refTeX causing label references to always be \eqref not the desired \vref

As stated on the reftex documentation “Note that this is automatically done by the ‘amsmath.el’ style file of AUCTEX, see Section 7.8.2, page 38 – so if you use AUCTEX, this configuration will not be ...
1
vote
1answer
193 views

Incomplete \iffalse error in AMS alignment

MWE: \documentclass[a4paper]{report} \usepackage{amsmath,xparse} \makeatletter \newif\ifinvd@lims\invd@limsfalse \newif\iflr\lrfalse \ExplSyntaxOn \newcommand{\delim}[3][lr]{ \begingroup ...
4
votes
1answer
99 views

Font size inside subequations environment!

How I can change the font size inside the subequations environment? See below: \begin{equation} \textstyle \xi_{1} = A + B + C; \end{equation} The command \textstyle works fine inside the ...
5
votes
1answer
135 views

Incorrect reference when combining amsmath, hyperref, and \tag

In the following MWE, I receive a warning and a reference points to the wrong element. \documentclass{article} \usepackage{hyperref} \usepackage{amsmath} \begin{document} \begin{equation} ...
4
votes
3answers
134 views

Why does \label not work in math mode when using [fleqn] with amsmath?

Try the following \documentclass[11pt]{article} \usepackage[fleqn]{amsmath} \begin{document} \newcounter{eqnthing}\setcounter{eqnthing}{0} \[a+b=c\refstepcounter{eqnthing}\label{maththing}\] \par ...
2
votes
1answer
126 views

Two column equation block with vertical separator

I have seen various examples in text books and web pages (like here) of two column equation blocks, where the left column has some equation(s) and the right column has some explanation on variable ...
3
votes
2answers
187 views

How may I write 'and generally' and the second equation on one line?

Please note that the two equations ought to be aligned; the text and generally should be flush left, but the second equation should be centred. \documentclass{article} \usepackage{mathtools} ...
1
vote
1answer
78 views

Amsmath's \binom looking weird

Using the MWE \documentclass[fontsize=8pt, a4paper, DIV12]{scrbook} \usepackage{amsmath} \begin{document} \[ e^t = x^{(5)} - 2x^{(3)} + \dot{x} = \sum_{k = 0}^{5} \binom{5}{k} p^{(k)}(t) e^t ...
3
votes
1answer
75 views

Subequation labeling inside an “aligned” environment

I can align several equations inside a single brace with the following code. \begin{equation} \left\lbrace \begin{aligned} k \cdot E &= 0 \\ k \cdot B &= 0 ...
3
votes
1answer
78 views

creating conditional array using iopart

I need to write a conditional equation using iopart.cls, a class that doesn't work with amsmath. Usually I'd use the cases environment from amsmath like so: \begin{equation} \mathrm{sgn}(t) 1, ...
1
vote
0answers
16 views

Horizontally align \vdots with equal signs in aligned environment [duplicate]

I have a number of equations aligned at the equal sign. I insert a line containing just \vdots to indicate a bunch of steps and then equations again. How I can make the \vdots align with the equal ...
2
votes
2answers
2k views

Problem with cross referencing using gather environment

I am using gather environment to write bunch of equations. When I try to cross-reference those equations, the equation number doesn't show up. Here is my code \documentclass[12 pt]{article} ...
3
votes
2answers
50 views

Putting a tag in aligned enviroment

I want to set a counter in the following two lines (to the right) \[ \left\{ \begin{aligned} & u_t = H(x,t,Du)&\text{ in }& \mathbb{R}^n\times (0,T) \\\\ & u(x,0)=u_0(x) & \text{ ...
8
votes
2answers
2k views

In exponents, parenthesis too small, \big too big

When something big (a fraction, a sum, an integral...) appears within a pair of parenthesis, one can typically use \left(...\right) to get delimiters large enough to surround the contents. The ...
8
votes
1answer
183 views

Adaptively sized delimiters that don't go beyond the size of \bigl and \bigr

I would like adaptively sized delimiters, but only up to \bigl/\bigr-size. That is, there is variation only between ordinary/normal size and one size higher. \documentclass{article} ...
12
votes
2answers
320 views

Manually controlled size of delimiters in macros

I am using the amsmath package and I'd like to control the size of my delimiters manually, i.e. using the \bigl, \Bigl, ... , \Bigr, \bigr commands, instead of \left, \middle, \right. Now I want to ...
-1
votes
2answers
90 views

Confusing missing $ [closed]

Can anyone help with this. I'm not sure at all what I'm doing wrong but i get an error Missing $ inserted. $ on the 2nd line with c)\ The rest of the text works fine and there are ...
3
votes
2answers
117 views

how to give some text an equation number

I want to be able to write the following in LaTeX: We make the further assumption that \begin{equation} \label{eqn:assumption} There is a bounded linear operator $B:X\to X^*$ such that ...
2
votes
2answers
346 views

How to make a table more vertically compact?

I finally managed to use the cases construct within a table: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{table} \begin{tabular}{l p{7cm} ll} \hline a & b & c \\ ...
1
vote
1answer
620 views

How to make nested fractions bigger? [duplicate]

I have a nested fraction on the right-hand side of an equation. I use the LaTeX code as follows to produce the equation: \begin{equation} \frac{1}{T_{ex}} = ...
37
votes
2answers
27k views

What is the difference between \dfrac and \frac?

The title says it all, both \dfrac{a}{b} and \frac{a}{b} make fractions, so what is the difference between the two?
0
votes
1answer
69 views

Cant get theorems in an appendix

I get the error \begin{document} ended by \end{theorem}. \end{theorem} and Environment theorem undefined. \begin{theorem} when trying to compile this latex document. Here is the problematic ...
3
votes
1answer
62 views

Formatting an equation environment to fit within the margins

\mathcal{P}^s_{\delta}(F) = sup \Bigg\{ \sum_{i}|B_i|^s : \{B_i\} \text{is a collection of disjoint balls of radii at most $\delta$ with centres in F} \Bigg\} This piece of text wont stay in the ...
5
votes
1answer
223 views

Show integration limits above & below the integral

Well considering this code, the "E" is shown after the integral: \begin{equation} m = \iiint_E \rho \ \mathrm{d}V \end{equation} The limit is shown slightly behind the number, how can I place it in ...
1
vote
1answer
93 views

Strange artifact when using xrightarrow [duplicate]

When using xrightarrow, I sometimes gets weird artifacts on the arrow: it looks like the arrow is somewhat "doubled" in the middle. But this only happens when zoomed out; when I zoom in very close, ...
16
votes
5answers
2k views

Underbrace under sqrt content

I am trying to use underbrace to clarify the arguments to a sqrt. However this causes the square root sign to reach all the way down to the bottom of the text under the brace(s), which is not what I ...
3
votes
2answers
146 views

Error: Extra }, or forgotten \right in split

Can someone tell me what's wrong with this? because i can't figure out where the missing \right( is. \begin{equation} \begin{split} Μ=&-\pi \rho \frac{c^{2}}{4} ...
3
votes
1answer
62 views

Overfull hbox with fleqn and autonum

I am using autonum and amsmath with the fleqn option to left-align equations. However, this combination appears to generate Overfull \hbox warnings at the \begin{document} line. I am using the ...
1
vote
1answer
50 views

Weird autocompletion in vim-latex [duplicate]

I am trying to write some inline equations in vim-latex, but when I type \(( (To start an equation with a parenthesis), vim replaces it with \\left( \right)<++>. What is it doing, and how do I ...
6
votes
1answer
105 views

Align to top of box

This latex code (uses amsmath and proof) produces the image below: \documentclass{article} \usepackage{proof} \usepackage{amsmath} \begin{document} \begin{equation*} \infer[\forall x ...
4
votes
3answers
318 views

Math equation with cases and division signs

\begin{equation*} \theta({P,\bar{Cl}}) = \begin{cases} S(P,\widehat{Cl}) + (S(P,\widehat{Cl}) \times ((\bar{R}-\widehat{R})/\bar{R})) & \widehat{Cl} \textless \bar{Cl} \\ ...
2
votes
0answers
29 views

Space after Proof Environment to next Section [closed]

I am using a modified definition of a proof environment: \makeatletter \renewenvironment{proof}[1][\proofname]{\par \pushQED{\qed}% \normalfont \topsep1\p@\@plus3\p@\relax \trivlist ...
1
vote
1answer
124 views

Visually appealing subscripts with `\intercal`

From this discussion (What is the best symbol for vector/matrix transpose?) I like to use \intercal for matrix/vector tranpose symbol. However, when subscripts get involved it gets ugly: MWE: ...
0
votes
1answer
46 views

Multiline equation in cases with special symbols

\begin{equation*} $\theta$ = \begin{cases} $\eta$ & \text{$\widehat{P} \textless \bar{P}$}\\ $\eta$ & \text{$\widehat{P} \textgreater \bar{P}$} \end{cases} \label{eq: ...
1
vote
1answer
129 views

Write Mathematical Equation

Im writing fraction in an equation. But then when I inserted $\frac{1}{2}$ inside the align*, error says missing }. I don't get it. Removing the code fraction will make my code work. \begin{align*} ...
9
votes
5answers
3k views

Using \label with amsmath nested environments

First of all, I'm not sure these environments are supposed to be nested, but the fact is the alignment comes out exactly how I wanted, and no errors are issued. \documentclass[a5paper]{article} ...
1
vote
0answers
77 views

Math symbols coming out blurry (bitmapped)

I am a LaTex beginner user and I am trying to compile a file for an IEEE publication and for some reason I get blurry (not vector format) math symbols, mostly brackets, \asterisks and integrals ...
1
vote
1answer
178 views

Better extensible arrows

Using amsmath and extarrows packages, we have many extensible arrows. But these arrows look ugly, since some parts in an arrow are boldfaced. Are there any better-looking extensible arrows?
2
votes
2answers
83 views

Getting Examples to look like Theorems/Lemmas/Corollaries

How do you get a latex document to present example in the same bold type face as you can for theorems/lemma/corollaries?
1
vote
1answer
62 views

How to obtain even space between variables in math mode?

When I combine numbers and several variables in an equation, the spacing between the numbers and variables are not even. What is the correct way to display the equation? The red box highlight the ...
1
vote
2answers
109 views

line break in math mode within longtable environment

I have a long mathematical expression within parenthesis which is larger than the column width that I have specified for my table. How do I force it to break the expression onto a new line? ...
2
votes
2answers
178 views

Aligning multiple column equation on left

I would like some equations aligned to the left, inline with text, with equation numbers aligned to the right, and with a middle column aligned with itself. The solution here and other solutions ...
8
votes
1answer
362 views

Opposite of \allowdisplaybreaks

If i load the amsmath package it doesn't allows to break by default alignments across the pages in the multline, align, gather, alignat environments and their starred versions. Howewer it exists the ...
15
votes
3answers
2k views

Long Dashed Right Arrow

Is there a \dashrightarrow equivalent of: \xrightarrow{\hspace*{4mm}} or \longrightarrow or a similar way to fudge it?
5
votes
1answer
120 views

Align after \therefore

If I place my alignment ampersand after a therefore symbol (from amssymb), the proper spacing between the therefore and the rest of the equation is lost. Is there a way to prevent this from happening? ...
4
votes
1answer
68 views

Adjusting the size of round parenthesis in an equation

I am not sure what is the common rule in adjusting parenthesis in equations. Let me illustrate my question by the following example \documentclass{article} \usepackage[T1]{fontenc} ...
10
votes
1answer
1k views

Integral limits with amsmath in LuaLaTeX

Also reading the thread about Making integral ∫ use \limits by default with unicode-math I'm not quite happy with the solution. With pdfLaTeX I use the code \documentclass{article} ...
3
votes
1answer
39 views

Clash between amsmath, atbegshi, and texpower packages?

Consider this document: \documentclass{article} \usepackage{amsmath} \usepackage{texpower} \usepackage{picture} \usepackage{atbegshi} \setbox0\hbox{\textbf{TEXT}} \AtBeginShipout{% ...