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

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1answer
88 views

About greater sign and sigma

What I want to write is if N+1 > N we do sigma (all the N) / the length of the array For the greater sign I use If N+1 \textgreater N But it's shown like this if N+1 >N No space ...
5
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0answers
82 views

Is using DeclareMathOperator for functions the right thing to do? [duplicate]

I'm wondering if I use the \DeclareMathOperator for the wrong things. For example I have a cost function cost(x,y) which takes two arguments. I would declare it as \DeclareMathOperator*{\cost}{cost} ...
0
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0answers
159 views

LaTeX for word style divide?

In microsoft word equation, it's possible to write a / b in a format that a is slightly upper than normal text, the / can be entered using \ldivide. Is it possible to do so in LaTeX?
3
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1answer
118 views

Line breaking in math mode

Under default settings a line can be broken in math mode after binary operator with \binoppenalty or after relation with \relpenalty. I'd like to preserve this behavior but alter the result so the ...
5
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1answer
243 views

Big shuffle symbol?

I am looking for a "big" version (sum-class symbol) of the ш symbol (shuffle product). I only found a binary version. Any ideas?
2
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1answer
125 views

How to fix \min in beamer?

If I use \min in a regular document, it shows correctly: However, if I use the same command in a beamer presentation I get: Here's my header: \documentclass[mathserif]{beamer} ...
6
votes
1answer
181 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 ...
0
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0answers
22 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 ...
8
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2answers
159 views

DeclareMathOperator and align environment

Minimal working example: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{align} &s + t &\text{foo}\\ &\sin x &\text{bar} \end{align} ...
12
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5answers
626 views

Integration Symbol with Limits

How can I write the integration symbol in latex as shown in the picture?
3
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2answers
96 views

Lining numbers in mathnormal

Is there a simple way to have lining numbers (instead of old style ones) using \mathnormal{} ? I want $\mathnormal{abc123}$ to look like $abc123$. My problem is that I have an operator ...
0
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2answers
114 views

How to create this simple model with arrow and text on the top?

How to create this simple model with arrow and text on the top ? Regards
5
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5answers
309 views

How do i create a rectangle with parallel line inside it?

How to create rectangle with parallel line?
3
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3answers
4k views

Problem in writing the system of equation in LaTeX

Here's the code I have and here's the system of equation it creates which is not working as desired. Do you know how I can fix it? \item For what value of $b$ would the following system fo equations ...
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1answer
669 views

How to show a wide bar over a letter?

I want to have a wide bar over XY but it just shows a small bar. Any idea? \item In the standard $(x,y)$ coordinate plane, point $X$ has coordinates $(-4,0)$ and point $Y$ has coordinates $(0,-8)$. ...
12
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2answers
492 views

Better automatic spacing of differential d?

This question was basically about whether the differential d should be upright or italicized, not about how to achieve that in tex. However, this useful answer did suggest something like the following ...
4
votes
1answer
132 views

Create Pole/Point Integral Symbols

I want to create the following shaped integrals found in the unicode-math package symbols list: I created my own package a while ago for defining some symbols/shortcuts, and I want to recreate ...
1
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0answers
15 views

How to denote number of summands below the expression? [duplicate]

If we want to write for example $\mathbb{N}=\mathbb{N}\times\dots \mathbb{N}$ and below the RHS write "n copies" how we will do it in Latex?
3
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1answer
119 views

Words under sum that's in a denominator

if I try this; Substituting the expression for \(\Psi\) in to the above and rearranging we derive an expression for the vacuum field \(\Psi'\) as a function of \(\mu \), \begin{equation} \Psi' = ...
11
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1answer
705 views

How to redefine a command using \DeclareMathOperator

I'd like to declare some new operators using \DeclareMathOperator and some of the names are already taken by other commands (that I do not want to use). Is there an equivalent to the \renewcommand ...
4
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1answer
102 views

Why are certain mathematics operators not defined and how do I replicate them?

I noticed that while \ker renders correctly as the "kernel" operator in Linear Algebra, the corresponding \im for the "image" is not defined (I tried everything that could possibly be an abbreviation ...
11
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3answers
238 views

Easy command or package for properly formatted integrals?

I like to format my integrals so that there is less space between the integral sign and the integrand, more space between the integrand and differential, and so that the differential is upright. ...
4
votes
2answers
248 views

Resizing dynamically the `e` of the exponential function

I've been looking around and found that this question has been asked at least a couple of times, but the solutions are been correct work around. Let's say that I have a formula with a piece like: ...
2
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1answer
193 views

How to use \owedge and \boxwedge

We can use symbols of $\otimes$ and $\boxtimes$, $\oplus$ and $\boxplus$, $\ominus$ and $\boxminus$ in Latex. However, do we have $\owedge$ and $\boxwedge$, which combines $\wedge$ in the mid of a ...
5
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1answer
864 views

Always have the ring of the tensor product below the \otimes

I would rather have always have my tensor product look like $A\underset{R}{\otimes}B$ but still write $A\otimes_R B$. Is there a way to make this happen by some command in the preamble? (it's ok if it ...
7
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3answers
2k views

\mathop in sums and limits

What is the \mathop command meant to be, officially? I see it used in indexes of sums and limits to improve the spacing, e.g. \sum_{n\mathop = 1}^\infty a_n Why doesn't it just format it like ...
5
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2answers
155 views

Question about limits in lim command and scale in mathtools package

This is a follow up question regarding the limits in \lim command and mathtools package. To begin with how can I make the limits to start at the beggining of the lim symbol and not ahead of it? ...
0
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1answer
51 views

use a “+” or “-” by itself without terms

I want to typeset an I with a subscripted "+" sign. How can I do this? I know there's a trick to tell TeX that there are no operands, but I can't remember what it is, and I can't seem to search for it ...
4
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1answer
241 views

Example of a complex compound tikz math statement

Could someone provide an example of a complex compound mathematical statement in tikz as I find that most of the answers out there are difficult to understand or lacking. I want a MWE example like ...
4
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2answers
530 views

Not able to show negative signs

I have the following. \item Arrange in ascending order (smallest to largest): $−6, −2, 0, 1, −5, 4, 3$ But this output does not have negative signs. 6, 2, 0, 1, 5, 4, 3 It shows negative in ...
7
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3answers
426 views

How do I write $\sim$ approximately with the correct spacing using siunitx?

This question is similar to this one, only that I'm using the siunitx package: \documentclass{minimal} \usepackage{siunitx} \begin{document} The temperature is \SI{\sim 200}{\kelvin}. \\ The ...
9
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1answer
393 views

Integral Sign $\int…$

does anybody know how to write integral signs in LaTex that are slanted to the left, and not the right. See here if you do not know what I mean: (From ...
3
votes
3answers
339 views

“Average sum” symbol

Is there a convention for an average sum symbol, for instance \overline{\sum_{i \in I}} to mean \frac{1}{\#I} \sum_{i \in I}? I can live with the overline option but it does not look good in inline ...
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0answers
86 views

\varamalg and \varcoprod operators for disjoint union

For the disjoint union, I don't like \amalg and \coprod very much. So, I did all my best to create a \varamalg with this code: \documentclass{article} \usepackage[utf8]{inputenc} ...
4
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2answers
183 views

Designing medcirc and circledtimes symbols

It would be great to use only \medcirc and \circledtimes from the pxfonts or to design the similar symbols by other techniques. The symbols from pxfonts are quite well but when I connect the ...
3
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1answer
122 views

A simple solution to using widebar on subscripted symbol with small space with the subscript

Looking for a simple method to use a widebar over a letter with subscript, but have the space remain the same as when using \bar as \overline produces large space which does not look good even though ...
2
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1answer
1k views

How to write partial eta square in LaTeX?

Problem: Writing partial eta square in LaTeX. I couldn't find anywhere online giving guidance to this statistic symbol. Example (it's the symbol to the left): Any help would be appreciated.
1
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1answer
50 views

How do I create a newcommand which outputs a letter with an index? [duplicate]

When I use \newcommand{\F1}{$\mathrm{F}_1$} I get the Missing \begin{document}. error and missing $ inserted if I move it inside the document. How do I define a macro so that \F1 would expand to ...
20
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2answers
285 views

Defining arithmetic operators that insert brackets according to usual precedence rules

I have a program that generates bits of Tex code like these: $\product{a}{\add{b}{c}}\leftrightarrow \add{\product{a}{b}}{\product{a}{c}}$ $\add{a}{\add{b}{c}}\leftrightarrow \add{\add{a}{b}}{c}$ ...
8
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3answers
383 views

Designing a new tuple of Algebra Operators

It's neccessary to have at least two extra tuples of Albera Operators. A minimal tuple is a triple (to_be_subset_eq, meet_operator, join_operator). There are some ideas how to make 2 extra tupes. ...
4
votes
1answer
157 views

How to typeset categories with long names?

I am typing some category theory and I am unsure how to handle the name of a category in LaTeX. I read the post How to typeset the name of a category? and implemented the mathbf-solution mentioned ...
8
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1answer
287 views

How to make a command for a circled letter to work with all font sizes?

I introduced the following macros \newcommand{\malcev}{\mathop{\text{\textcircled{\scriptsize M}}}\nolimits} \newcommand{\imalcev}{\mathop{\text{\textcircled{\tiny M}}}\nolimits} The code \[ ...
5
votes
3answers
153 views

Declaring a math operator for every capitalized word? [duplicate]

I've declared a lot of math operators lately, e.g. \DeclareMathOperator{\Hom}{Hom}, \DeclareMathOperator{\End}{End} and so forth. This is getting a bit annoying and seems automatable: what I'd really ...
2
votes
1answer
158 views

mathjax \sqrt command

I don't if this forum is the right place where post my question, anyway, it concerns TeX. Mathjax seems to create the bar over the argument of \sqrt command as a box with a sequence of very densely ...
5
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3answers
138 views

Vertical spacing problems with a custom math symbol in LaTeX

I need to have a few custom math symbols by adding different number of dots on top of the standard \preceq math symbol. So, I have done this as follows: ...
3
votes
1answer
201 views

Alternative for \DeclareMathOperator

I'm getting a little tired of defining all my mathematical operators with \DeclareMathOperator. Also it is rarely useful to have them as a macro. On the contrary it sometimes leads to macro name ...
1
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0answers
64 views

\sum not properly displayed? [duplicate]

When I do $ \sum_{k=1}^{K} $ I get this: But I want to get this: where i is above! I am working in beamer.
0
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1answer
230 views

How do I write this mathematical equation?

I want to write the shown mathematical equation in LaTeX but I am getting an error. Here this is not eta but it is n. The code which I am writing is \begin{equation} \Delta {E} + \frac{\omega^2 ...
0
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1answer
332 views

How to use \lll properly

I need the symbol <<< (left rotation). Now from TexStudio help, I found it as \lll. But when I use it, I get an error Undefined control sequence ... \lll. How to fix it?
3
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3answers
244 views

Latex command for plus-over-cross

I want to use the symbol 'plus-over-cross' to refer to point in a Matlab generated figure. In LaTex terms this will be an overlay of + over \times. Any ideas? Note that I do not want the asterisk ...