{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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2
votes
2answers
49 views

Stackrel and footnote inside the math environment

In my document I have on first page an inequality \begin{eqnarray*} a &\stackrel{*}{\leq}& b \end{eqnarray*} and also on few other pages I have the same inequality. On each page I want to ...
2
votes
3answers
226 views

Equations with operations next to each line

I basically want to type a derivation of a specific mathematical formula with the operations that have been done in each line, for e.g.: U = R * I |:R U/R = I Handwritten it looks like this: ...
5
votes
1answer
67 views

Underbraced text under sum is in different size from other

Text in underbrace under sum is bigger than other. \sum_{{\{a,b,c,d,e,f\}=\{\underbrace{a,b,c,d}_{4\ terms}},e,f\}} How can I solve this neatly.
17
votes
1answer
161 views

Microtype gives wrong letterspacing in math mode

Using the \lsstyle command gives wrong math latterspacing afterwards. I came upon this problem when using the classicthesis and putting math in a section (microtype is used there too). After the ...
5
votes
0answers
127 views

LuaLaTeX - Problem with defining Cambria Math only for special font types

I've got a problem, that I can't fix. As soon as I try to use Cambria Math as font for \mathscr and \mathbfscr I get a "missing \endcsname inserted" as error. I'm new to LuaLaTeX so I simply ...
2
votes
1answer
55 views

Line break and text arent working

I am new to LaTeX and I am having trouble with \text and line breaks. My code is as such $$\text{if} y^{(t)} \neq h(x; \theta, \theta_{0}) \text{then} \\ \theta^{(k+1)} = \theta^{k}+ ...
1
vote
2answers
62 views

Aligning equation including multiline expressions

I have a derivation and have problems getting it to look nice. The derivation goes over several lines, so I want the = signs aligned. That is easy either using align or eqnarray. However, one of the ...
3
votes
2answers
103 views

breaking equation and different alignments

I would like to break the following two equations. I would like for them to have the colons aligned together, but besides that they should have their own, unique alignment points. Please see the ...
5
votes
2answers
730 views

Big forward slash in math

I have a equation in from of a=VERYBIGSTUFF / VERYBIGSTUFF And I would like to have a "verybig" forward slash in the middle of them. I dont like \frac mode, as I would like to have them ...
2
votes
1answer
50 views

xelatex mathspec with polyglossia

How to use mathspec package and polyglossia for the russian language? MWE \documentclass[14pt]{extreport} \usepackage{mathtools} \usepackage{amsfonts} \usepackage{amsmath} \usepackage{commath} % ...
7
votes
3answers
242 views

vertical bar for absolute value and conditional expectation

Now I use "mid" for all vertical bars, but I wonder what's the proper ways. The first scenario is vertical bar for absolute value. Now I just right $x\leq \mid x \mid$. but is this correct? The ...
2
votes
0answers
27 views

Negative exponent not displayed using the subfigure environment from subcaption [duplicate]

Consider this simple MWE \documentclass{article} \usepackage{subcaption} %sub figures \begin{document} \begin{figure} \begin{subfigure}{\linewidth} \centering \caption{Test1} \end{subfigure} ...
2
votes
2answers
128 views

xhookrightarrow and xmapsto?

I use $\xrightarrow{f}$ a lot and I found myself in need of the corresponding commands \xmapsto and \xhookrightarrow quite a few times and I was wondering if there is anything like it. I'd like to ...
3
votes
1answer
202 views

Which one should I use to annotate equations? \tag or \text?

I am still confused in selecting whether to use \text or \tag for annotating equations. Which one should I use? If it is about personal preference, what is the pros and cons between them? ...
1
vote
0answers
27 views

different spacing aroung equal sign for display/text mode [duplicate]

as I wanted to increase the space surrounding the = sign in my equations, I changed the thickmuskip length in the preamble \setlength{\thickmuskip}{14mu} It works fine, and I like the result in ...
4
votes
3answers
290 views

How to write “ℰ”

could anyone please tell me how I can write "ℰ" in latex in both text and math enviroment? I have already tried $\mathscr{E}$ and $\mathcal{E}$, but none of those are satisfying. What I want to have ...
0
votes
2answers
58 views

Display inline sums

I am writing my thesis and I have some sums which are inline, and others which are part of equations. My questions is: is there a convention, an unwritten rule about how inline equations should be ...
5
votes
1answer
85 views

Renew command on mbox makes it freeze - Fix subscript size

I'm trying to change the font style of \mbox, but all my tries have failed. All commands I try either have no effect or make pdflatex recursively keep working and never finish and freeze. This makes ...
3
votes
2answers
39 views

Combine boldsymbol and widebar

I would like to have boldsymbol and widebar inside an equation combined as something like $\widebar{\boldsymbol\mu}$ However, while this compiles in my code, I only have a mu with a bar over it. ...
1
vote
1answer
83 views

Using `$$…$$` vs`\[…\]` [duplicate]

In order to center stuff in math mode, we can use either $$...$$ or \[...\]. Is there an OBJECTIVE reason as to why one is better than the other?
0
votes
1answer
34 views

`\center` and size of `\frac` in my code

\documentclass[a4paper,12pt]{article} \usepackage{amsmath} \usepackage{fullpage} \usepackage{secdot} \usepackage{setspace} \setlength\parindent{0pt} \title{\vspace{-3em} Quantum Mechanics} ...
5
votes
2answers
173 views

Square root in fraction space problem

I'm having some troubles with the square root symbol within a fraction. This code \documentclass{book} \begin{document} \begin{equation} h_4 = \frac{\sqrt{1.5 \gamma_4 -3.5}-1}{18} \end{equation} ...
4
votes
1answer
78 views

Brackets around multiple lines

I am trying to put big rounded brackets around some text that contains math formulas: Jede Teilfolge hat entweder unendliche viele Elemente von $\left( g_{2n}\right)$ oder $\left( ...
4
votes
1answer
38 views

Is it possible to make odd-numbered columns have implicitly a prefix {}?

Prefix {} is implicitly inserted for even-numbered columns of alignedat (and alignat). As a result, + (or -, etc) becomes a binary operator. The section "Left aligned" below \begin{alignedat}[t]{3} ...
14
votes
2answers
710 views

Does italic math originate from TeX?

When I look in old mathematical textbooks from the seventies and before, mathematics is always upright. Their use of italic letters in other contexts, however, shows that this is not because of ...
3
votes
2answers
96 views

Number a linear program on the left-hand side

I want to write a linear program which is numbered on the right-hand side, like it normally is, but which also has a number on the left-hand side. It will be more of a label instead of a number ...
0
votes
0answers
46 views

! Undefined control sequence \backsim [duplicate]

My latex file does not accept the command \backsim. This is what I wrote in the file: $ \backsim 2.5 \mu$ What is wrong?
2
votes
0answers
67 views

Writing mathematical notation in LaTeXDraw

I have drawn a graph in LaTeXDraw. I need to name the vertices of the graph as v_n (where n is subscript of v). In latex document it was easy, just $v_n$ was doing the work. But how can I do it in a ...
3
votes
2answers
52 views

How to get large parentheses with \tanh-function?

I want to show a function which includes the tanh of a fraction, i.e. \tanh(\frac{x - g}{h}) but which gives me the normal small parentheses. I already tried \tanh\(\frac{x - g}{h}\) but this just ...
9
votes
2answers
507 views

Root within square root symbol

how can I avoid that the following expression \documentclass[a4paper,fontsize=14pt]{scrbook} \usepackage{mathtools} \usepackage{lmodern} \begin{document} \begin{align} a = ...
7
votes
3answers
383 views

What is the correct way to typeset higher order time derivatives in LaTeX?

I am typing a series that involves higher order time derivatives, and I have two main problems. First, the subscript of the derived variable seems to move further away from it with the more ...
6
votes
4answers
189 views

How to color only a “tilde” accent on a letter? [duplicate]

I would like to color only a "tilde" on my letters. I read how to do this with Umlauts or other accent, but for my expression it seems different I think. Here is my expression : \widetilde{E}^w So, ...
1
vote
1answer
33 views

How to remove image boundary while using LaTeX in wordpress [closed]

I'm using LaTeX in my blog in wordpress but the formulas are coming inside a rectangular box. Please refer here. How can I remove them?
4
votes
1answer
95 views

Proper Mathematical Typesetting for a point?

I'm working on a document in LaTeX, and I was wondering what the proper typsetting for a point is? If my understanding is correct, bold capital letters are matrices, vectors have the \vec{} symbol ...
6
votes
1answer
125 views

sign for multiple $\Diamond$-product

I use $\Diamond$ as a product sign and want to have something like $\bigDiamond_{i=1}^{n}$ to note multiple $\Diamond$-products. Similar to $\wedge$ and $\bigwedge$ or $\vee$ and $\bigvee$. Is there a ...
5
votes
1answer
124 views

Is there a better and compact way to represent the expansion of products of polynomials?

Objective: to show the expansion process as readable as possible so we don't run the risk of misreading the coefficients of the corresponding terms of the expanded, long expressions. ...
3
votes
1answer
67 views

A centering problem in \begin{equation} … \end{equation} with svmono.cls

If you build the following code the first equation is not centered, unless you remove at least the last letter (x), while the second equation (longer) is centered. Note: the first equation begins with ...
0
votes
0answers
68 views

Locally change font style from sfmath to amsmath

I am using the package sfmath. It is rather hard to explain why, but the reason should not matter for my question. If it is required I can try to explain why I need sfmath. Nevertheless, the main ...
1
vote
1answer
59 views

pxfont upgreek… Why can't i use?

I'm trying to use pxfont upright greek letters in math as the way below but it doesn't work. When i write \alpha I would like to see \upalpha from px. My main font is libertine. ...
7
votes
1answer
288 views

pgfplots: Using Sans Serif Fonts for Numbers and Text (not Variables) in Figures and Diagrams

I want to use a sans serif font in figures and diagrams. This also applies to tables (related question). The normal text should remain roman (with serif). Here is the normal way one would try to ...
4
votes
1answer
104 views

How to add braces automatically after \hat (or \tilde, \bar) in emacs auctex math mode

When typing operators in quantum mechanics, there is a lot of stuff like "\hat{...}" going on. But in math mode, typing apostrophe+^ only gives \hat inside math environment. How can I modify the ...
2
votes
2answers
123 views

Difficulty with \flalign

Consider the following example. \begin{flalign} &Max Z=a+b\\ &Min P=c-d\\ &\mbox{subject to}\\ &a \leq 10\\ &c \geq 5 \end{flalign} When I run it I get the desired output, but ...
0
votes
0answers
19 views

Renew math operator [duplicate]

There is an already defined math operator inside TeX that I want to change it by another letter. I am just wondering what is the best practice. Below I give an example for the \Pr -> "Pr" command ...
1
vote
1answer
57 views

What is the correct way to properly align a split equation with continued parts prefixed with a binary operator?

Consider the following result with 2 methods. Don't hesitate to propose better ones if any. The question is: What is the correct way to properly align a split equation in which binary operator ...
6
votes
2answers
120 views

Creating a custom character that automatically adjusts size in math mode? [duplicate]

After a lot of searching, I finally found the .pdf's for the elusive Griffiths script r character used in his ubiquitous undergraduate electrodynamics book. I made a simple package that allows me to ...
4
votes
2answers
48 views

Left-align a split equation

I am trying to left-justify a split equation. I would like to have the first line left-justified, and have a hanging indent on the second line. I used flalign successfully for other equations that ...
6
votes
1answer
151 views

What's up with the spacing between letters inside $…$?

When I write $VSS$ in my LaTeX studio, it behaves it as if there is a space between V and S (i.e. V SS). Is there a way to fix this? I tried \scalebox{.85}[1.0]{$VSS$}, but it did not work well. ...
2
votes
3answers
98 views

Aligning a set of equations with one equation number

The following set of equations cannot be aligned from left to right. Since, I need to index them just with one number, I had to use split equations: \begin{equation} \begin{split} X={}^ 2 \bar{x} + ...
39
votes
4answers
3k views

What is the Necessity of $…$ Around Numbers?

I typed up an assignment with a lot of numbers in LaTeX and turned it in to my adviser. When he returned it to me with some corrections, one of which was a lot of $ around my numbers. I understand ...
3
votes
1answer
274 views

How to squeeze a formula inside a text in latex?

I type some formula in latex inside my text, but When I make it pdf I see it is not squeezed. How I can make it squeeze? See the attached, which shows the problem!