{math-operators} is about operators in math mode. These include sums, integrals and similar, text operators like sin, cos, etc.
2
votes
1answer
237 views
Expression under summation on multiple lines [duplicate]
Possible Duplicate:
Separate long math text under sum symbol into different lines?
I want to write expression \sum_{i=0}^n i with i\neq 4 under the
summation symbol. How can I write this?
1
vote
0answers
178 views
Why do people write italic “d”s in integrals? [closed]
In some German books, I see what I consider proper:
\int \mathrm d x
In other books, I just see this:
\int d x
Since everybody writes $\sin(x)$ instead of just $sin(x)$, I wonder why people ...
12
votes
1answer
391 views
Double sum over i and j with i \neq j
I would like to represent a double sum with i\neq j. So I want two capital sigmas with text i\neq j underneath them. How can I achieve this?
5
votes
1answer
141 views
how to place text on fraction for accounting formulas?
Sorry for the bad grammar. English is not my native language.
I want to have text on a fraction type line to show up in an accounting formula, here's an example of what I want:
So, I've tried ...
9
votes
1answer
260 views
How can I make LaTeX ignore certain math symbols in math mode?
I have the following equation:
<trigger threshold> = average - (<trigger fraction> * average)
I want to print this in math mode in a very specific way: <trigger threshold> and ...
10
votes
1answer
1k views
double perpendicular symbol (for independence)
I found from http://jblevins.org/notes/latex that I could use the independence symbol:
\newcommand\independent{\protect\mathpalette{\protect\independenT}{\perp}}
...
10
votes
1answer
448 views
Making \sim a unary operator
Often in physics, the symbol \sim is used as a unary operator to mean "approximately."
For example, one might say "the energy of these processes is $\sim 4$ eV." However, this looks awkward because ...
1
vote
1answer
202 views
Combining \operatorname with \mathnormal and \mathrm
Related Question:
Typesetting the square of a mathematical operator
\operatorname converts its argument into a function symbol with appropriate spaces on the left and on the right. However, I ...
12
votes
4answers
382 views
Is there another symbol that is slightly different from \forall (likewise for \exists)?
What
Is there a symbol that is slightly different from $\forall$ (e.g. having a second line from upper left to lower middle)? It should obviously mean "for all" but be sufficiently different to not ...
0
votes
0answers
68 views
How to write a dirac delta symbol in LaTeX? [duplicate]
Possible Duplicate:
How to look up a symbol?
I mean the squiggle d_{ij} Dirac Delta thing but I am not sure how to put the notation for it. Does anyone know?
6
votes
2answers
196 views
Log-like operator with math inside (e.g. p-lim)
I am looking to make a log-like operator that looks the same as $p \text{-lim}$.
The best way so far I found to do this is
\DeclareMathOperator*{\plim}{\text{$p$-lim}}
Question: Is this the ...
3
votes
1answer
202 views
How to write something underneath \min?
How to type this expression, where has \min on top and \forall at the bottom?
3
votes
1answer
394 views
Typesetting plus-minus uncertainties with different upper and lower bounds
I'm making a data table and need to include my error bars with my data. $\pm$ works great if the upper and lower bounds are the same, however, several of my data points has a different upper limit ...
2
votes
1answer
79 views
\textsuperimposetilde does not superimpose as \sum subscript
Compiling the document, the tilde and P lie seperately under the \sum operator, but as the command superimpose would suggest, I would like them to be superimposed. Works just fine when using ...
1
vote
1answer
324 views
Undefined control sequence math operators
I have an algorithm defined under figure container. For some reason I am getting a strange error in the conditional expression of the second If block statement.
\begin{figure}
\begin{flushleft}
...
0
votes
0answers
96 views
Math function without brackets [closed]
I'm trying to reproduce the formula on this page in TeX
and this is the code that I have:
\[
fn = f0 * (a)^n
\]
It sort of works but is there some way to make the n and the 0 smaller and ...
7
votes
1answer
264 views
operator name for kernel
I'm trying to define \newcommand{\ker}{\operatorname{ker}} just after \begin{document} in order to have a nice way to write the kernel of an application but the command is ignored and I don't know why ...
5
votes
1answer
2k views
Two different calligraphic font styles in math mode
I have been succesful in using the calrsfs package together with the standard CM type1cm font. I have been able to obtain in separate documents different calligraphic symbols in math mode with ...
14
votes
1answer
392 views
Customized summation symbol
I am interested in defining some customized math symbols out of existing ones. For example I would like to distinguish between different types of sums, so beside the usual symbol
I would like to ...
4
votes
1answer
718 views
Undefined control sequence in align
\begin{align}
\label{eq:x}
x = \sign{a} \cdotp \sign{b} \cdotp \min(\lvert a \rvert,\lvert b \rvert)
\end{align}
Above gives me Undefined control sequence. Any ideas would be helpful.
4
votes
2answers
184 views
How to build macros for vector-matrix operators?
Can anybody build macros for doing the following vector operations? Or are there already such macros? For example,
1) Example data: \def\a{(5,3,0)}
\def\b{(5,1,6)}
...
15
votes
3answers
335 views
Typesetting the square of a mathematical operator
Assume I want to typeset the square of some mathematical operator A. Using \operatorname (amsmath package), there are basically two ways to do that:
\(\operatorname{A^{2}}\) (i.e., the exponent is ...
0
votes
1answer
260 views
Is there a symbol for a circled intersection? Like \oplus for the plus sign [duplicate]
Possible Duplicate:
How do I put a circle around an operator?
Is there a symbol for a circled intersection sign? or an alternative way to render something like in the image below? Something ...
12
votes
1answer
173 views
Problem with “equal” sign and glossary entry definition
I am using glossaries package and I encountered a problem in the symbol field. When I define it as $m=1$ I get the following error message:
! Missing $ inserted.
<inserted text>
...
15
votes
2answers
2k views
newcommand vs. DeclareMathOperator
As far as I understand, whatever can be done using DeclareMathOperator can also be achieved using newcommand, but not the other way around. If this is the case, what are the circumstances where ...
13
votes
4answers
271 views
Creating a circled operator which expands into a lozenge
I have a LaTeX document which has a binary operator called "composition". Normally, this is written as a circled letter, where the letter is passed as a parameter: \comp{x}. I can achieve good results ...
7
votes
1answer
234 views
Making integral ∫ use \limits by default with unicode-math
How can I make the unicode integral symbol ∫ act as if it is followed by \limits? Classically \usepackage[intlimits]{amsmath} would do. But with unicode-math this does not help anymore. I also tried:
...
6
votes
2answers
206 views
How to put i=1 to n for a \square?
Here's the i=1 to n for a \bigwedge
\documentclass[conference]{IEEEtran}
\usepackage{ amssymb }
\begin{document}
$ \bigwedge\limits_{i=1}^n t_1 $
\end{document}
How do I do it for a \square ...
8
votes
5answers
333 views
Is there a more correct way to show explicit exponential operators?
I typed in this question like this:
$\underbrace{\alpha \hat{\phantom{\hat{}}} \alpha \hat{\phantom{\hat{}}} \dots \hat{\phantom{\hat{}}} \alpha}_\text{n times}$
which mathjax prints as
I feel ...
6
votes
2answers
304 views
Exchange meaning of : and \colon
I usually use the colon symbol : to denote maps. For set syntax there is the braket package. So as the spacing of : is not appropriate, I want it to behave like \colon. I tried
...
4
votes
2answers
436 views
Customized log notation
In my country, the base of logarithm is written in superscript before the log sign, i.e. $^a\log b$ means log base a of b. This doesn't look nice on LaTeX, because there is a gap between ^a and \log. ...
1
vote
1answer
394 views
Using < > symbols inside algorithmic [duplicate]
Possible Duplicate:
Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation or question mark?
I have the following code
...
7
votes
1answer
119 views
Creating a customizable n-ary operator?
I'd like to be able to create a customizable n-ary operator that behaves like \sum or \bigoplus but which takes an arbitrary symbol as an argument.
The closest that I have been able to come to ...
6
votes
1answer
150 views
Automatic reduplication of equal sign in the beginning of broken formula
Suppose we have the following code
\documentclass{article}
\begin{document}
$a=b=c=d=e=f=g=h=i=j=k=l=m=n=o=p=q=r=s=t=u=v=w=x=y=z$
\end{document}
which produces the following result
I want to have ...
5
votes
1answer
104 views
The font of operator names: the size
A while ago, I asked what was the correct way of changing the font used to set operator names. I stabilized at:
\DeclareSymbolFont{sfoperators}{OT1}{cmss}{m}{n}
...
0
votes
1answer
595 views
LaTeX notation for summation over all combinations of two variables?
Is there a notation that expresses a summation over all order-independent combinations of two variables? I have a single set of objects and want to show the summation of the joint probabilities of ...
7
votes
3answers
848 views
How to put your symbol explanation for the formula?
I have a formula written in LaTeX. What is the best way to explain what the symbols mean in the formula?
For example I have this equation with a where: symbol definitions
\begin{equation}
...
5
votes
2answers
228 views
Any way to change color of \not
I often use command \not just to cancel off symbols in my equations and i would need an advice on how to change the color of this command.
2
votes
1answer
174 views
Formula in displaystyle but operator limit in normal subscript position [duplicate]
Possible Duplicate:
Show inline math as if it were display math
I have a formula in an equation environmente i.e., in a display style modality.
Moreover, since I have to enumerate an ...
10
votes
2answers
880 views
Getting the expectation symbol to behave like $\sum$ instead of $\Sigma$
How can I get an expectation symbol which behaves like $\sum$? Specifically, I want the underscore to be like that of a summation. At the moment I use
$$\mathbb{E}_{x\in A}$$
However, I do not ...
1
vote
1answer
160 views
My limits are moved [duplicate]
Possible Duplicate:
Writing a limit so that the subscript goes directly underneath
I am not sure how to explain this, but my code doesn't behave
$\lim_{(x,y)\to(0,0)} xy + y$
...
5
votes
4answers
431 views
How do you write “times”?
I come from Norway, and here the formatting of maths are a little bit different than in the U.S. and the UK. If you want to factorize 25, you know that it is 5 times 5. How would you write this with ...
2
votes
1answer
139 views
Computing a simple maths calculation and use the result as page numbers in the Table of Contents
Following up this question here, I am looking for a way to compute a simple maths calculation inside the document and let the result of this calculation be the value that appears as page number in the ...
6
votes
1answer
628 views
How do I write $\sim$ approximately with the correct spacing?
I would like to use the symbol $\sim$ as "approximately". e.g:
\documentclass{minimal}
\begin{document}
There are $\sim 10^{80}$ atoms in the universe.
\end{document}
I think that I need to declare ...
9
votes
3answers
613 views
Spacing between triple vertical lines
I would like to create a norm-like operator with 3 verticals bars instead of two. It has to look like $|||\cdot|||$. I would like to know how to decrease the spacing between the vertical bars such ...
8
votes
2answers
173 views
typesetting 2 line conditions over which is summed
I am trying to typeset the formula below in a way that m_j=m_i and z_j=z_i have the same scriptsize, the = are aligned, and j: is before both, larger and with vertical position between the lines. How ...
9
votes
3answers
506 views
How do I put a circle around an operator?
For example, I want to put a circle around \land, just like one can put a circle around + by writing \oplus. Is there a general method to do this?
7
votes
2answers
193 views
Math operator resizing in autosized brackets
I want to define a new command to format \mathbb{E} in the same way as \sum - same size in display/inline formulae, and same treatment of sub/superscripts. The following seems to work...
...
7
votes
1answer
178 views
How to put a hat on a binary operator and maintain spacing
This is maybe easy question.
How is the right/good way to put a hat on a binary operator like \otimes?
For example a\otimes b vs a\hat\otimes b
In the second case it is not typeset as a binary ...
1
vote
2answers
180 views
Designing a new mathematical operator
We all know that \binom{n}{r} in math mode renders the binomial coefficient. For the purposes of a note, I am TeXing up, I am interested in designing a new math operator.
Suppose I called that ...
