{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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6
votes
2answers
364 views

Problem with typesetting maths content in an unusual font in beamer

I want to typeset math in different font called Antykwa Torunska, which supports maths. Unfortunately, when using it in beamer the math font is switched to the standard math font of beamer. How can I ...
6
votes
1answer
285 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 ...
6
votes
1answer
1k views

Displaying an equation in a list

How could one get a displayed equation inside a list environment, say itemize, so that the equation is both centered horizontally and on the same line as the bullet, but with the bullet still on the ...
5
votes
1answer
251 views

\sqrt: The vinculum and the rest of the radical are misaligned

When the height of the radicand exceeds a certain threshold, LaTeX replaces the check-sign-like part of the root sign with a more vertical one. This behavior has a flaw: The vertical replacement part ...
4
votes
2answers
590 views

How I can typeset this equation with LaTeX?

I would like to typeset the enclosed equation but placing the last a_{i, j} in the same column as the above a_{i, j}+1 and a_{i, j}-1, and the b_i in the same column as the above b_i's and not as it ...
62
votes
5answers
117k views

How to add a matrix to a LaTeX document

How do we add a matrix to a LaTeX document?
36
votes
6answers
1k views

Microtypography on equations

Is there a way to make all three lines of math in the code below take up the same amount of length by use of font expansion? I know too little about microtype to even see if it could offer a solution. ...
33
votes
3answers
27k views

How to put a big bracket under different parts of a equation so that I could write e.g. a text specific to that part in the equation?

How to put a big bracket under different parts of a equation so that I could write e.g. a text specific to that part in the equation? For example : f = x^3 + 2 |___| |__| | | ...
30
votes
4answers
6k views

How to have overlapping under-braces and over-braces

I am trying to typeset an equation that has overlapping over and under braces as per the image below: I have managed to typeset it using a sort of a hack, by typing the equation twice, once using ...
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 ...
19
votes
3answers
12k views

How to stack limits for maths operators?

I have a question on how is it possible to create a \sum with two lower limits directly positioned right underneath each other. I have tried hard and cant seem to get anywhere with it.
20
votes
3answers
5k views

Why use the control sequences \bigl, \biggl, \bigr or \biggr, as I can always use \big or \bigg?

If my manuscript file has $$\biggl({\partial^2\over \partial x^2}+ {\partial^2 \over \partial y^2}\biggr)\bigl|\varphi(x+iy)\bigr|^2 = 0$$ or $$\bigg({\partial^2\over \partial x^2}+ ...
17
votes
2answers
5k views

Period after math-mode equation

If I write If $x \rightarrow y$, then $y \rightarrow z$. it looks fine. But if the sentence is more involved and formulas longer, I tend to change $...$ to \[...\]. In many cases I think the result ...
16
votes
2answers
1k views

How to align nested cases?

Please consider the code bellow: \begin{align*} function = \begin{cases} case1 &\mbox{if } n = 0 \\ \begin{cases} case2 &\mbox{if } n = 1 \\ ...
15
votes
3answers
2k views

How can I illustrate decimal to binary conversion?

As part of my homework for discrete math I need to convert different decimal values, both positive and negative, to 8-bit binary representations using signed magnitude, 1's complement, and 2's ...
23
votes
3answers
2k views

maths nested superscripts and subscripts displayed incorrectly inline

I am having a strange bug when using nested superscripts and subscripts in inline math (displaystyle works fine). This behaviour is the same independently of the font used or the compiler (orginally ...
21
votes
3answers
6k views

Is \mathrm really preferable to \text? [duplicate]

It seems to be the de facto standard to use \mathrm for upright letter notation in math mode as opposed to \text. Would it not be better to use \text in general? One particular problem I am thinking ...
20
votes
2answers
2k views

Typesetting Right-to-Left math

UPDATE: I've managed to produce something that is aesthetically correct, however with a lot of "hardcoding" and trial and error to manually measure my spaces. Not to mention that I have to write my ...
19
votes
2answers
389 views

How to prevent superscripts from moving under \sqrt?

When I put an expression with superscripts under a \sqrt, the superscripts (here "vis") move down a bit. How can I prevent that, so that it looks consistent no matter whether it's under a root or not? ...
18
votes
2answers
14k 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}} ...
15
votes
2answers
11k views

How to get less spacing in math mode

LaTeX commands like this: Here again, four different simulations are run on networks of size $C^{G} = 25 \times\ 25 = 625$, $C^{G} = 50 \times\ 50 = 2500$, $C^{G} = 250 \times\ 250 = 62500$, and ...
13
votes
3answers
425 views

How could LaTeX replace the tokens <= by the command \leq?

How could LaTeX replace the tokens <= by the command \leq efficiently? Example 1: I have this code: \[ 2x <= 4x - 2 \] And I want to get after the compilation this: Example 2: \[ ...
11
votes
3answers
37k views

How to make math symbols bigger?

Is there a way to make math symbols bigger? Reason: I've used \sfrac{q}{m}, and those symbols appear far to small, so I would like to make them a bit bigger. edit: I just thought that \sfrac{q}{m} ...
10
votes
1answer
693 views

Can I make siunitx commands use serif fonts like the rest of the math in beamer?

In a beamer presentation I can use \usefonttheme[onlymath]{serif} to typeset the math in a serif font while the rest of the presentation is in a sans-serif font. But the \SI command from siunitx ...
9
votes
1answer
1k views

Using \DeclareMathVersion

It is my understanding that \DeclareMathVersion can be used to switch between math font variants. I am wondering how this can be used in a document that leverages two fonts: Times Roman for body text ...
48
votes
2answers
8k views

What is the advantage of using $f^\prime$ instead of $f'$?

Although the two outputs look quite similar, what is the advantage of using $f^\prime$ instead of $f'$? By the way, here is my code: \documentclass‎{article‎}‎ \begin{document}‎‎‎ \[‎ ‎f^‎\prime ...
30
votes
6answers
26k views

Typesetting of negative versus minus?

I've occasionally seen a negative (when a number is simply negative, not a subtraction), typeset as negative sign that's slightly skinnier and above the centre line of text. Is this proper notation ...
21
votes
3answers
14k views

How to typeset function restrictions

I wonder how to typeset the restriction of a function to some subdomain, a la $f|_A$ or $f\restriction_A$ , but with the vertical bar being as big as possible.
21
votes
2answers
6k views

Is there a difference between the `displaymath` and `equation*` environments?

The amsmath documentation says Basic LaTeX doesn’t provide an equation* environment, but rather a functionally equivalent environment named displaymath. Are they really the same or is there a ...
20
votes
4answers
3k views

Underscore in textmode vs mathmode

I use _ character often in text mode, so I changed category of underscore: \catcode\_=12, but that applies also to mathmode and now I'm unable to make subscripts with underscore in mathmode. Is there ...
16
votes
3answers
4k views

Typesetting a Row Vector

In the question typesetting a column vector, a very nice solution was given for typesetting a column vector with an arbitrary number of rows. I am attempting to modify the code to produce row vectors ...
15
votes
2answers
9k views

Is there an “underscript” command?

Is there a way to do underscripts? By "underscript" I mean a small font underneath the text object like limits or sums have. I don't want it to behave like a math operator though, where it is typeset ...
10
votes
2answers
754 views

Is there a command for large middle delimiters consistent with \bigl and \bigr?

After browsing through related threads, I am now of the understanding (please correct me if I am wrong) that the rule of thumb is to use the \bigl,\bigr pair with brackets, parentheses, etc. for ...
7
votes
1answer
352 views

Looking for a smarter \left … \right

I'm looking for an automatic fence-resizing macro like the traditional \left and \right, but I need some more features (not to mention \left and \right are quite "buggy" and poorly spaced as the ...
18
votes
3answers
9k views

\hfill in math mode

Is there any easy way of declaring a new command which emulates \hfill in math mode. I don't want flalign or something similar. I want to use the command in the same way (and with the same freedom) I ...
17
votes
2answers
10k views

Force upright Greek letters with isomath

The isomath package makes it possible to typeset upright Greek letters via \mathrm and \mathbf. Is it it possible to force all Greek letters to be typeset upright unless specified otherwise, e.g. to ...
15
votes
2answers
4k views

divides, not divides and cardinalities

In group theory it happens very often that you want to say: "The order of $H$ divides / does not divide the order of $G$." But the length of | is then always the same: $ |H| | |G| $ produces |H|||G| ...
13
votes
1answer
6k views

A Matrix with labels, dashed lines

I'm trying to TeX the following matrix, from Guillemin and Pollack (1.4 #13) The best I've been able to do is get the dashed lines with \[ \left( \begin{array}{c:c} B & C \\ \hdashline D ...
9
votes
2answers
8k views

overset text over equal sign in in an Align environment

Look at the following example \begin{align} & x \\ \overset{\text{some long explanation}}= & foo \\ & = bar \end{align} what is the best way to get the equal signs ...
8
votes
3answers
1k views

Align \sqrt with baseline of other mathematical input

The following mathmatical expression is not being displayed the way I expect it to be. \documentclass{article} \usepackage{amsmath,amssymb} \begin{document} $3x\sqrt{y}-4-2\sqrt{y}+6x$ \end{document} ...
8
votes
1answer
3k views

Punctuation in equations

My document will contain a lot of equations, and as usual in that case I would like to use "punctuation" in the equations, like commas, colons, periods/full stops, semicolons, etc. Is there a special ...
6
votes
2answers
390 views

Automatic repetition of mathematical operators after a line break

In handwritten mathematics it is common for the sake of clarity to repeat the last mathematical operator in those line breaks that occur in the middle of a formula. I mean something like: We compute ...
17
votes
2answers
11k views

\star vs. \ast in formulas. Which one to use?

When you read a formula aloud you say "r and r-star are related by this formula". If you write this formula down you normally write an r with a six-handed star, which would actually be an asterisk and ...
15
votes
6answers
11k views

How can I get a big cross to denote a generalized cartesian product?

I'm trying to get a big cross which I can subscript in order to denote a generalized cartesian product (much like how \bigcup works for generalized unions). How can I accomplish this?
15
votes
3answers
4k views

Can I insert an image into an equation?

I would like to use a small image in an equation, where a symbol like \alpha might otherwise be. Is there a nice way to do this?
13
votes
1answer
5k views

Split expressions with parentheses in align environment

I am writing down a rather long expression, which has to be splitted in a align environment. The thing is that this expression has parentheses which have to be splitted too. I don't want to use ...
13
votes
2answers
453 views

Which packages/practices are relevant for writing Structured Derivations? (similar to Dijkstra's calculational style of proofs)

Does anyone know of any packages that support this style of writing proofs? The only things that I've found are: tex-ewd, a bunch of plain TeX macros on CTAN written specifically with Dijkstra in ...
12
votes
2answers
14k views

Sums in math mode: how to display index under the sigma sign?

I have a fraction with sums above and under the line. How can I convince LaTeX to write the indices of the sums under the sigma instead of next to it? \begin{displaymath} \frac{\sum_{s \in S} ...
11
votes
3answers
2k views

Define particle names to use upright greek letters in math mode

Currently I have my electron neutrino & beta particle marco defined as \newcommand{\eneutrino}{\ensuremath{\nu_e}} \newcommand{\belectron}{\ensuremath{\beta^{-}}} ...
10
votes
1answer
1k views

Can I change all math output to use monospaced text?

Is there any way of modifying the preamble, so instead of typing $\mathtt{x}$ ... \begin{eqnarray} \mathtt{y} & \mathtt{=} & \mathtt{z^\pi} \end{eqnarray} I can omit the \mathtt{...} ...