{math-mode} is about typesetting mathematical content, e.g. tweaking the appearance of spacing and symbols in a formula, or producing specific mathematical constructs. For questions about "wrapper" environments like equation or align, consider the tag {equations}.

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15 views

Undefined control sequence for $ \left\{ f\in \mathbb{R} :f\neq 0\right\}$ [duplicate]

Undefined control sequence for $ \left\{ f\in \mathbb{R} :f\neq 0\right\}$ and for $\left\{ x\in \mathbb{R} :\neq -1\right\}$.
3
votes
2answers
64 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 ...
-1
votes
2answers
75 views

Confusing missing $ [on hold]

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
1answer
52 views

how to typeset empty inner product

I want to typeset the following in TeX (without the arguments). < , > I know that I can accomplish this by doing \langle , \rangle As an example I want to write something like the follwing: ...
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0answers
35 views

Help me find limit of sequence [on hold]

Given sequence $(x_n)$ defined by $\begin{cases} x_1 = 1, \\ x_{n+1} = \sin (x_n) \end{cases}$ prove that $ lim_{n\to\infty} (\sqrt{n} x_n) = \sqrt{3}$.
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0answers
23 views

How to use function \newcommand to turn off math mode? [duplicate]

I have a problem. I defined new commands: \newcommand\be{\begin{equation}} \newcommand\ee{\end{equation}}, which works perfectly for math mode. Then I tried with more advanced formulas: ...
0
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1answer
27 views

How to use the displaymath environment within a table?

I am trying to use the cases construct within a table. I tried to follow this example. When I copy paste the entire example, it compiles without an error. But when I try to reproduce it, I get ...
28
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3answers
1k views

How do I display pi in LaTeX like Don?

Way back in 1979, Donald Knuth, tried to give the feeling that π is irrational using the idea of infinite sequence of smaller and smaller font sizes like what I have tried to do here using HTML and ...
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0answers
69 views

What is the correct way to typeset powers of indexed letters [on hold]

What is the correct way to typeset the power of indexed letters (eg. square of a_{1})? I know that superscripts can be added by simply adding ^{n} (eg. a_{1}^{2}), but the exponent comes right above ...
1
vote
2answers
43 views

LaTeX question for \overrightarrow

I'm new to LaTeX and I have a question about the LaTeX code (which I have to do for my essay), for the inner product of vectors on an exponential*,how can I fix the problem that the two vektors k and ...
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0answers
34 views

Commands for the style/font of numbers in LaTex

In LaTex Letters have different fonts by commands like \mathcal, \mathbb etc.. However, those commands cannot apply to numbers. Are there some styles or fonts for numbers?
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1answer
40 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 ...
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0answers
48 views

Cryptic Errors. Probably a quick fix? ( noob )

Completely confused. Tried to run latex script from yesterday on a different computer. Doesn't work now. here are my errors: \AtBegShi@Output ...ipout \box \AtBeginShipoutBox ...
0
votes
1answer
42 views

Several lines in equation

I would like to get in LaTeX what the following code produces on Math.SE: $$\pi(X,Y)\to HoM(X,Y)\\\ [f]\mapsto[RQf]$$ And if I wanted to have an equation number to the right of the two lines, ...
3
votes
1answer
42 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
88 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 ...
5
votes
1answer
52 views

Poor kerning with adjacent uppercase variables in math mode

I want to lay out a sequence of adjacent variables in math-mode with reasonable spacing between the letters. But LaTeX produces output which (to me) is "obviously wrong": \documentclass{article} ...
2
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0answers
25 views

Bold or verb text in mathpar

I'm writing a derivation tree using mathpar but I'm unsure as to how to markup some words. The derivation tree is for a small programming language, so the premise and/or conclusion contain words I ...
4
votes
2answers
30 views

Latex math: indexes not allowed in small matrix

I am using the small matrix in order to represent a matrix in a text, I defined myself a command like: \newcommand{\maText}[2]{\bigl(\begin{smallmatrix}#1\\#2\end{smallmatrix}\bigr)} And it works ...
0
votes
2answers
81 views

I don't know how to remove a strange symbol that appears in front of my equation

In the third line of my equation, a strange Greek letter appears and I would like to remove it. \documentclass[12pt,a4paper]{article} \usepackage[utf8]{inputenc} \usepackage[spanish]{babel} ...
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0answers
53 views

Wolfram Mathematica Functions in Lyx

Can I use all functions of mathematica in Lyx? I want to use functions like Solve[]
6
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2answers
54 views

tcolorbox equation and fleqn: not vertically centered

Using tcolorbox with ams equation, there is sometimes additional leading space before the equation comes: \documentclass[fleqn]{article} \usepackage[many]{tcolorbox} \usepackage{amsmath} ...
2
votes
1answer
38 views

Use of the dot in math-mode

I was trying to typesset piecewise functions earlier and I had a problem typesseting only the left brace and not the right as it couldn't accept only \left\{. After that I tried adding \right but ...
5
votes
2answers
73 views

How to correctly typeset subscripts after \varphi?

I'm using $\Delta\varphi_R$ in several locations in my document, but the subscript has almost the same size and vertical position of the variable. Is there a way to make it look more like a subscript? ...
5
votes
2answers
922 views

What is this symbol consisting of a horizontal line crossed by a rotated vertial line?

I'm looking at the following symbol, between W and X, in an old PDF file: and would like to use it in Math mode in my document, but can't figure it out which symbol it is. Is it a standard Math ...
2
votes
1answer
25 views

Calligraphic font for Bitstream font and inter-package error

I try to load and use a calligraphic font but it seems that the combination of siunitx, upgreek and bm causes the error, but for some reasons the error-message ('Too many math alphabets used in ...
2
votes
1answer
114 views

pseudocode - whats wrong?

Its driving me crazy now!!! I want it as shown in image. But getting error! Whats wrong here: \begin{equation} \label{eq4} \textbf{Y} = \left\{\begin{array}{cl} YES & ...
1
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0answers
11 views

Multiline equations using IEEEtrantools when also using \left \lbrack and \left \{ [duplicate]

I have a set of code in which I have \begin{IEEEeqnarray*}{rCl} f(y,x) & = & \frac{1}{(2\pi)\left | \Sigma_{xx} \right |^{\frac{1}{2} \cdot \left | (\Sigma_{yy} - ...
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3answers
44 views

Aligning definition of a function that maps into a function space

I'm writing a proof that the dual of l^p is l^q, and in that process, I define a function from l^q to (l^p)*. My current function definition looks like this: \begin{align*} ...
5
votes
1answer
52 views

Vertically align two horizontally-parallel equations

I am attempting to vertically align two equations at multiple points and I have come up with the following: \begin{array}{rlclcl} \eta(n)&\equiv&\frac{\Lambda(n)}{\log ...
2
votes
1answer
31 views

\hfil in math mode [duplicate]

\documentclass[a4paper]{report} \begin{document} \[\phantom{\ast}\hfil a\hfil\ast\] As you can see, the \verb"\hfil"s get ignored… or at least the one on the right does. But if I swap \verb"\phantom" ...
2
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0answers
36 views

Centering \dot in a symbol macro (\listofsymbol)

I was trying to achieve the results of get a variable listed in listofsymbol's generated list, when called with a -dot suffix. If was trying also to find a way to center dot in variables with ...
3
votes
1answer
69 views

Multicolumn vector

How can I create a vector like this one? It is similar to this question, but with additional columns.
0
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0answers
83 views

LaTeX - Assistance Publishing a Mathematical Theorem

I have a mathematical theorem written in pencil on paper. I am using a handheld device to use the internet. On this webpage - http://annals.math.princeton.edu/submission-guidelines - are the high ...
4
votes
3answers
191 views

Very smart parentheses?

This is a follow up question of Smart parentheses? In the above mention question, the parentheses are smart so that they change they form depending on the nesting level. I wonder if it would be ...
7
votes
3answers
344 views

Flip the underbrace

Is there a way to flip this \underbrace in the code so that it stays on the same place (under the V but points towards it not away from it as it does right now. v(t) = Re \{ \underbrace{V}_{V_o e^{j ...
4
votes
1answer
124 views

Formatting the union of sets

In the example $\cup^{i=1}_{\infty}F_i$ How do you get the i=1 directly below the union symbol and the infinity directly above?
3
votes
2answers
211 views

Getting limits to look right

How do you get the \delta\rightarrow 0 underneath the line underneath the limit. This is what I have so far \underline{\lim\limits}_{\delta \rightarrow 0}
3
votes
0answers
75 views

Typing Russell's “Sur la Logique des Relations”

I'm having some trouble typing Russell's definitions in TexWorks, mainly because of the spaces and numerations of propositions. Anyway, my output it's a complete disaster. How could I maintain the ...
3
votes
1answer
79 views

Double-struck zero and one

I am trying to typeset double-struck digits in math mode. They have to come from the same font. I tried \mathbbm{0} from the bbm package and \mathds{0} from the dsfont package. The document ...
2
votes
0answers
33 views

MiKTeX 2.9 Texmaker: Text in PDF not vectorized … but formulas and tables are vectorized [duplicate]

Users, i am new to LaTeX and i found something that is really strage. When i create a PDF from the following code, the text is not vectorized while formulas and tables are. I am using MiKTeX 2.9, ...
2
votes
1answer
56 views

Mix characters from various fonts (in text mode)

I'm using classico as my everyday font, together with \usepackage[EULERGREEK]{sansmath}\sansmath when there are formulas. My problem is: I don't like the shape of the "equals" sign of classico. I ...
3
votes
1answer
60 views

Active Delimiters to get correct delimiter size

I once read in "Die Texnische Komödie 1/2011" that it is possible to make the round delimiters () active, so you don´t need do use \left(\right) any more. The code is: \makeatletter ...
5
votes
2answers
62 views

lim within an array

I'm having trouble getting lim to work inside an array Here is my code \begin{align*} \lim_{e \rightarrow 0}{e^{A_\epsilon}} = \left( \begin{array}{cc} 1 & \lim_{e ...
2
votes
2answers
44 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?
0
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0answers
14 views

bmatrix with individual column alignment specifier [duplicate]

I know that I already found this, but I am not sure where, so I ask it here. How can I individually specify the number and alignment of a bracket matrix using bmatrix? \documentclass{article} ...
1
vote
1answer
81 views

Double backslash \\ does not work in equation environment

My problem is that inside equation environment double backslash \\ does not seem to work as expected to force a line break: \begin{equation*} \fontsize{12}{15} \text{1. (a) State the ...
0
votes
0answers
26 views

Cannot find amsmath amstools package even though the doc used to compile

This is from a document that used to compile. I want to use it as a template as it was a really good template. However when I press compile it says that it cannot find the amsmath or amstools ...
0
votes
1answer
56 views

Writing the following in latex [closed]

In a wide variety of simple disease models, the rate of change in the number of infected people can be written as where I is the number of infected people,Sis the number of susceptible people, ...
0
votes
1answer
37 views

Column with math mode in beamer won't center under multicolumn row

I am having trouble getting a table to behave as I expect (and want) and I don't know if the problem is with beamer, multicolumn, or math mode. \documentclass[table]{beamer} \usepackage{booktabs} ...