{math-operators} is about operators in math mode. These include sums, integrals and similar, text operators like sin, cos, etc.

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4
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1answer
106 views

Standard for typesetting mathematical objects other than variables

Is there a standard in mathematics for typesetting the textual (not symbolic) identifiers of mathematical objects other than variables? Textual identifiers of mathematical objects other than ...
3
votes
1answer
31 views

How to define d in integral expression for \int \dif x f(x) notation

There seems to be some consensus about defining \dif like this: \newcommand{\dif}{\mathop{}\!\mathrm{d}} Should I \mathrm the d in my integrals?, What is the difference of \mathop, \operatorname ...
1
vote
1answer
22 views

Changing the operator font with unicode-math loaded

How could I change the operator font to, let's say, the sans serif style, with the unicode-math package loaded? The following code only works without that package: \documentclass{article} ...
0
votes
1answer
34 views

How to type this math symbol? [duplicate]

I've got to type this symbol in my article. I've searched through Internet but haven't seen anything about how to write it in TeX command. It is perhaps rarely seen or used. But I really need to use ...
1
vote
2answers
27 views

How do I write a multi row single column (or multiple columns) equation?

\documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{mathtools} \usepackage{bm} \begin{document} \begin{equation} \nabla_Q N_I = \{{N_{I,1}} \\ {N_{I,2}} \\ {N_{I,3}}\} = ...
0
votes
1answer
27 views

How to indent the equation number to the right?

\documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{mathtools} \usepackage{amsmath} \begin{document} \begin{equation} \delta{\mathbf{E_e} = \sum \limits_{I=1}^{M} \emph{B}_{LI} ...
1
vote
2answers
133 views

How do I place the argument of “min” below rather than to the side?

\documentclass[a4paper,12pt,numbers=noenddot]{scrartcl} \usepackage{mathtools} \usepackage{amsmath} \usepackage{amssymb} \usepackage{bm} \begin{document} \begin{equation} ||\mathbf{x}^{1} - ...
2
votes
1answer
42 views

How do I reduce the space between operators in math mode? [duplicate]

I have these operators +=, -= etc. in Math mode. LaTeX introduces space around single character operators. So I get + = and - = instead. However, in my case I want no space between the + and the =, ...
5
votes
1answer
60 views

Compilation error with \ifnum in ConTeXt

Why the following code gives me the following error? Code: \begingroup \catcode`\"=12 \gdef\newmcodes@{\mathcode`\'39\mathcode`\*42\mathcode`\."613A% \ifnum\mathcode`\-=45 \else ...
1
vote
1answer
27 views

Large Brackets Make Line Breaks too Small

\documentclass[10pt,letterpaper]{article} \usepackage[utf8]{inputenc} \usepackage{mathtools} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{parskip} ...
1
vote
2answers
89 views

Writing limits of integration [duplicate]

I'm not sure exactly what it's called, but I would like to draw the line after an integral has been "solved," showing limits of integration, like so: There is a line with a 9 above and 1 below.
6
votes
3answers
46 views

Bigcup, bigwedge etc. inside brackets gets space above

I want to have the following formula: \[\Phi=\{\phi\}\cup\left\{\exists \mathsf{x_0}\ldots\exists \mathsf{x_{n-1}}\left[\bigwedge_{0\leq i<j\leq n-1} \mathsf{x_i}\neq\mathsf{x_j}\right]\right\}\] ...
4
votes
1answer
55 views

How to correctly write +: R × R → R?

When viewing addition on (say) a ring R as a map R × R → R, one often writes something like {+}\colon R\times R\to R. However, I assume that perhaps \mathord+\colon R\times R\to R is more ...
7
votes
4answers
104 views

Aligned underbraces between amsmath equations

I have an \amsmath aligned environment containing some equations aligned with &=. I want to be able to place underbraces between the equations in such a way that that both the contents and “point” ...
3
votes
1answer
95 views

Trigonometric function script? [duplicate]

Is there a script for the sinc function analogous to \sin for sinus? If not, what method should I use to insert it in a equation?
1
vote
2answers
41 views

Equation and math system on same line

To add a math system into a LaTeX document, I add to preambol \newenvironment{sistema}% {\left\lbrace\begin{array}{@{}l@{}}}% {\end{array}\right.} then in the document I do something like ...
6
votes
2answers
236 views

Nested Summation

Using below code i am getting result shown in below image but its not properly displayed for ex space on either side of =. First summation sign is small. Brackets ( ) are small. All items are not ...
4
votes
2answers
214 views

Symbol inbetween “#” and “ff”

I wondered how to create a symbol that looks like "#" (for connected sum) and "ff" for "fiber". The size and angles should be like the "#", but the vertical bars should look like two f`s. Another way ...
12
votes
4answers
393 views

\wedge and \vee juxtaposed in one symbol

How can I combine the symbols \wedge and \vee into one symbol, like \wedge\vee and \vee\wedge? I am thinking of something like \gtrless but rotated by 90 degrees. The purpose is similar to the \pm ...
5
votes
2answers
106 views

\scriptstyle placement fine tuning

I need a functional composition operator. I find \circ too big for it, so I've declared a math operator (within the amsart documentclass) as \scriptstyle\circ instead; the size is exactly what I would ...
0
votes
1answer
61 views

Hyperbolic functions both produce error and result already existant when inserted in preamble

I'm trying to write hyperbolic functions like sech, csch, etc, Since amsmath doesn't recognize them in the form \sech, \csch, ... I wrote a preamble like \DeclareMathOperator{\sech}{sech} but I get ...
1
vote
1answer
101 views

Undefined control sequence for beta symbol list

I am new to Latex, please help me! I would like to give a beta symbol with a sequence of values as below. \boldsymbol{\beta} = (\beta_1,\beta_2,\dotsc,\beta_n) output looks promising. β = (β1, ...
2
votes
2answers
79 views

cup with a dot in it - but in mathjax! [closed]

Looking for solutions I have found that there are 3 ways, all can be found here Is a cupdot symbol available in amsmath? It seems that those answers are just copied and pasted all over the internet ...
1
vote
1answer
112 views

A hack for getting a *capital* Weierstrass P in order to represent the Power Set operation [closed]

I've been reading around stack exchange trying to find out how to get the symbol I wanted for the power set operation in set theory. In my opinion, the best and most standard symbol for this is the ...
4
votes
4answers
64 views

Write text (or symbol) vertically below another symbol in latex

I have to write some equations in latex, my Latex equation: \begin{align} G _{a_{1},\ldots ,a_{k}}\ast_{b_{1},\ldots ,b_{k}} G^{\prime }=G^{\prime \prime } \end{align} How can I make the text ...
4
votes
3answers
142 views

How do I modify the size of S the summation operand?

I bet this fancy summation operand S is in fact $\mathcal{S}$, am I right? But how do I modify the size of this thingy? \bigg or \left\right doesn't seem to work... And something like this: ...
4
votes
1answer
58 views

framed package change math?

This code : \documentclass{article} %\usepackage{framed} \begin{document} bla bla bla $\cap_{i\in I} X_i.$ \end{document} produces : and the same code with the line \usepackage{framed} ...
5
votes
1answer
235 views

Expectation Operator

I use the following command to typeset E[A|B] \documentclass{article} \usepackage{mathtools} \DeclareMathOperator{\ExpOp}{E} \DeclarePairedDelimiterX{\ExpArg}[1]{[}{]}{#1} ...
6
votes
2answers
238 views

How to create a bracket-ing √-Operator?

In formulas involving square roots, I consider the overline rather irritating and would like to create an operator that turns \sqrt{x} into √[x], i.e. the argument is bracket-delimited instead of the ...
1
vote
1answer
106 views

Derivatives are sized differently with commath [duplicate]

I'm writing a derivation in an upper level physics class and I use derivatives extensively. I'm using the commath package \od{}{} command and they are being sized differently in different places. ...
3
votes
2answers
102 views

How can I recreate MnSymbol's \udotdot command without using MnSymbol?

MnSymbol has a \udotdot command (search for \udotdot in the comprehensive latex symbol list document), but I don't want to import MnSymbol because of all the side-effects (for instance, it creates ...
9
votes
1answer
76 views

Automate correct spacing after ! in math mode

$(2n)!/\bigl(n!\,(n+1)!\bigr)$ $${52!\over13!\,13!\,26!} + 33!! - y$$ $(2n)!/\bigl(n!(n+1)!\bigr)$ $${52!\over13!13!26!} + 33!! - y$$\bye How could we automate the spacing after !? As explained in ...
3
votes
2answers
122 views

How to save space displaying “max x \in [a,b]”?

I just create a summary for usage in my exam and there are a lot of information worth to be on this summary page. k=1,...,n below max is a waste of space (I have more than 10 of these wasted lines ...
3
votes
1answer
51 views

operatorname and mathbin spacing

It seems like operators (e.g. \sin) don't mix nicely with binary operations (e.g. \circ). An example: \documentclass{article} \usepackage{amsmath} \begin{document} $\sin \circ f$ $\mathrm{sin} ...
4
votes
2answers
170 views

For Hom and H*(X,Z) — which fonts? [closed]

This is a question about style, I am debating whether the math operator \Hom should be just \DeclareMathOperator{\Hom}{Hom} or if it should be some variant like ...
7
votes
1answer
69 views

Operator with both arguments and limits

I'd like to define a command \E that can be used precisely as follows: it should translate \E{f(x)} \E_x{f(x)} into \mathbb{E}(f(x)) \mathbb{E}_x(f(x)) respectively. Specifically, the goal is to ...
7
votes
2answers
324 views

Large Blackboard bold R operator with text underneath

How do I typeset a large blackboard bold R (size of a \sum symbol) as an operator in an equation? See image. I can get the text to display underneath with \mathop{}, but I can't make the R big. ...
0
votes
0answers
22 views

How do I represent “U+2259 ≙ estimates” in math mode? [duplicate]

I need the math operator that resembles an equal sign with a hat (corresponds to / estimates). I've searched detexify and Wikibooks up and down to no avail. It's such a common symbol. There has to be ...
3
votes
2answers
146 views

How to Obtain a Bold Upright Integral Sign?

Having searched around I couldn't find a package that could produce the following integral sign. How do I produce this bold looking vertical symbol? Xe-/LuaTeX are totally fine with me. ...
1
vote
1answer
31 views

Limits position of new defined large operators

It is possible to introduce new large operators by using the command, \DeclareMathSymbol {⟨symbol⟩} {\mathop} {⟨sym-font⟩} {⟨slot⟩} I wonder if it is possible to change their default limits ...
3
votes
1answer
132 views

How to write the limits under all three summation : $\sum \sum \sum_{0 \leq i < j <k\leq n} 1$ [duplicate]

I want to write the limits under all three summation means starting from summation left side going towards right side ( dependent limits) , Please help on this. $$\sum \sum \sum_{0 \leq i < j ...
5
votes
2answers
161 views

Spacing around math operator in sub-/superscript

Consider the following: \documentclass{article} \begin{document} What I have: \[x^{1+1}\] What I would like: \[x^{1\,+\,1}\] That is, I will like to have spacing around the operator as in ...
4
votes
3answers
644 views

Symbol for not conditionally independent

I have previously used some code from here to produce a symbol to represent the conditionally independence of some variables. Does anyone know a method for generating a symbol for not conditionally ...
2
votes
1answer
115 views

Standard AMS-Sum Operator using MnSymbols?

Because a professor who reads one of the lectures I attend this term writes so slowly, I typeset a lecture script for that lecture in TeX. For the use of some symbols and for better underbrace ...
5
votes
3answers
524 views

How do I write logical iff symbol?

I'm currently hearing a lecture about formal systems (a computer science lecture). The lecturer makes a symbol that is written like overlying < and >: Every time when he draws it, he says ...
4
votes
2answers
79 views

sqrt sign with sharp or rounded corner

My MWE \documentclass[a4paper,11pt]{article} \usepackage{letltxmacro} %MACRO \LetLtxMacro{\oldsqrt}{\sqrt} % makes all sqrts closed \renewcommand{\sqrt}[1][\ ]{% ...
4
votes
1answer
88 views

Add very nice lambda in empheq package or package-less

My MWE \documentclass[a4paper,11pt]{article} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} \usepackage{lmodern} \usepackage{empheq} %\usepackage{mathptmx} \begin{document} ...
4
votes
1answer
153 views

mathematical operator disappear

I have a problem with mathematical operators such as "=", "+" etc. Whenever I type them within a mathematical environment (equation, eqnarray, in line equations via $...$, displayed equation via ...
5
votes
1answer
68 views

How to change math symbols of the stix package to CM ones?

Well, math operators like \int or \sum provided by the stix package are in my opinion ugly and I want those of CM instead. Is it possible? If so, how?
3
votes
3answers
432 views

Looking for stylized H-symbol

I'm wondering if LaTeX knows the following symbol (sorry for the hand-drawing, I didn't even find it online once): It's kind of a stylized H letter that is sometimes used to denote the Hilbert ...