Questions tagged [cases]
The {cases} environment is provided by the {amsmath} package to typeset cases in math. The {mathtools} package introduces extensions, e.g. the cases* and dcases environments.
522
questions
1
vote
1
answer
126
views
bad box in align + cases mode
Do you have any aesthetically nice suggestion to solve the bad box given by the following formula?
\documentclass[11pt, english, oneside, a4paper]{book}
\usepackage{amsmath}
\usepackage{enumerate}
\...
- 41
1
vote
1
answer
963
views
Controlling vertical space within a cases environment
I'm trying to define a function that requires a large amount of text in a cases environment. By adding a
\\
I can create some space between the top and bottom lines, but i'd rather create a ...
- 475
3
votes
1
answer
696
views
"Undefined control sequence" while using conditional equations in LATEX
I used the below LaTeX commands for writing a conditional equation. Although the output shown is correct, it gives a compilation error "Undefined control sequence". Can anyone please let me know how ...
- 41
-2
votes
1
answer
878
views
problem of \par in the paragraph [duplicate]
\documentclass{article}
\usepackage{amsmath}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\begin{document}
\begin{align}
\hat{\alpha} &= \begin{cases}
\...
- 1
3
votes
3
answers
366
views
xcolor's rowcolor blocking multi-line brackets
I am trying to make a table with different colors alternating per row, and I found that my document was compiling like this:
I've had similar issues with matrices and other large braces, but not ...
- 31
3
votes
1
answer
1k
views
Multiple alignemnt tabs within cases/equation environment
I am trying to align an equation within the cases environment like so:
\begin{equation}
R_i=
\begin{cases}
2G_{\frac{i}{2} - 1} &= \frac{i^2 - 2i}{4}, & \text{if}\ 2 | i \\
...
- 131
8
votes
3
answers
6k
views
Cases environment with angle brackets
I would like to create a cases environment showing an angle bracket, instead of a curly one. I can't re-define the environment itself because I have to use the new environment together with the old ...
- 103
1
vote
3
answers
808
views
Nodes with cases in mathematics for tikZ
With thanks to this question, the accepted answer is quite clever:
\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{matrix,positioning}
\begin{document}
\begin{tikzpicture}[every left ...
- 448
2
votes
3
answers
239
views
Putting variable name on the left using split and cases
Please, see the result of this code:
\documentclass{article}
\usepackage{mathtools}
\begin{document}
\begin{equation} \begin{split}
X_1^{\lambda_3 n} = \\
\begin{cases*}
\sqrt{(1-\...
- 123
4
votes
2
answers
584
views
Global alignment
I'm trying to do some sort of global alignment for my equations and didn't succeed to find anything online. More precisely, my cases environment inside my aligned and equation* has its own & ...
- 93
0
votes
2
answers
474
views
Align the number of an enumerated list with an equation with cases
How do I change the second item (the equation with cases) in the list so
- the label (b) is vertically aligned with the lhs of the equation,
- the equation in (b) is left aligned with the start of ...
- 397
0
votes
0
answers
79
views
Strikethrough equations in cases environment [duplicate]
I'm trying to put a stroke across an equation inside the cases mode. I tried both ulem and soul packages but I don't understand how they work in the cases environment.
This is what I got with ulem:
...
- 699
1
vote
2
answers
73
views
Can't create linebreak between rows of a cases environment
I have this code:
\begin{equation}
f_k(x) =\begin{cases}
\mu (z)-z_k \mathrm{\ if} \ k = \mathrm{arg \ min_j} \| c^{(j)}-x \|_2^2
\\
0 \quad \mathrm{otherwise}
\end{cases}
\end{equation}
Which ...
- 113
0
votes
2
answers
417
views
How to enumerate with Roman numerals the items of the command \numcases [duplicate]
my code
\begin{subequations}
\begin{numcases}{}
q - 1 & \text{se $\psi = \psi_0$ e $\chi = \chi_0$} \label{roman*} \\
-1 & \text{se $\psi = \psi_0$ e $\chi \neq \chi_0$} \\
...
- 3
1
vote
1
answer
324
views
Use equation and cases for big and numerous equation
I have a system of differential equations I want to write. Some equations are very long and there are numerous.
I wonder if there is a way to split the equations (automaticaly if possible) and to ...
- 400
5
votes
2
answers
3k
views
Small product symbol in cases environment
Suppose I would like to get this
MWE:
\documentclass{minimal}
\usepackage[cp1250]{inputenc}
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\begin{...
- 801
2
votes
1
answer
300
views
environment of cases mess up the math operator
Thanks to another question, I have defined argmin operator. It works fine when I use it in equations except for when I apply it in cases environment. As you see, the x becomes an index instead of ...
- 962
1
vote
1
answer
456
views
More and Less Space in Cases [duplicate]
Why do I have this space (red arrow)? Why I do not have more space (orange arrow)?
I use cases and doublespacing.
Even I use \everydisplay\expandafter{\the\everydisplay\setstretch{1}}, because of ...
9
votes
4
answers
2k
views
Phantom not working as expected in cases environment
In the image below you can see the phantom not taking up as much width as it's expected in the cases environment:
Here's the MWE:
\documentclass{amsart}
\begin{document}
\begin{align*}
M+A+T & =...
- 103
6
votes
2
answers
7k
views
Using align inside cases
I was trying to achieve an alignment inside a cases environment. Here is what I was trying to achieve:
I actually was able to achieve the above using the following MathJax code:
$$
f(x,y) =
\begin{...
- 1,179
2
votes
2
answers
2k
views
How to align two \begin{equation}\begin{cases}?
The code below generates the following figure:
Is there a way to align these two equations, like this:
i.e., align at the beginning of the bracket (not the at the equal signs!)
I have consulted ...
- 341
2
votes
1
answer
504
views
Boxing in cases environment
I'm working with a system
$$\begin{cases}
Ax+By & = C\\
Dx+Ey & = F
\end{cases}$$
Is there a way to put a box around A & D, around B & E, and around C & F within the system?
- 21
1
vote
1
answer
4k
views
Align equations using \begin{cases}
I'm looking to have the beginning of the bottom equation aligned with the beginning of the top equation. Similarly, I would like to have all the "for"s aligned, so the bottom ones aligned with the top ...
- 373
0
votes
0
answers
161
views
Is there an equivalent to the cases environment for proofs?
The cases environment is nice for displaying equations with multiple cases and short descriptions, but it is awkward for displaying proofs with multi-paragraph cases. Is there an equivalent set of ...
- 1,449
1
vote
1
answer
934
views
Equation System: Addition (Beamer / Article)
I'm trying to recreate something like the image below, found in a book. It is part of the solution to an equation system.
I have been able to create the equation system using the cases environment, ...
- 927
4
votes
2
answers
562
views
How to use cases environment inside section or subsection command
How can I use a cases environment inside \section or \subsection directives, like this:
\section{$y(t) = \begin{cases} case1 \\ case \end{cases}$}
With pdflatex I get:
Use of \begin doesn't match ...
- 423
1
vote
1
answer
373
views
The enumeration for the cases doesn't start back up at 1 when I start a new problem. Can someone help me fix this?
\documentclass[28pt]{article}
\usepackage{fancyhdr}
\usepackage[includeheadfoot,margin=1.0cm]{geometry}
\usepackage{amsmath,amsthm,amssymb}
\usepackage{enumitem}
\usepackage{mathtools}
\usepackage{...
- 313
0
votes
4
answers
719
views
Using \align inside \cases
The code I was using is this:
\[
\begin{cases}
W_n(\mathcal{O}_k) =\{X^{(n)}=(x_0,x_1,\cdots,x_{n-1})\in W_n(k): x_i\in \mathcal{O}_k,\text{ } i\in{\{0,1,\cdots, n-1\}} \}\\
W_n(...
- 103
2
votes
2
answers
539
views
Stretch cases in order to be "more inclusive"
Regarding the dcases environment, I noticed that, even if now I have all the math symbols extended (for example frac), when using derivatives the bracket doesn't actually cover completely the space ...
- 1,309
0
votes
1
answer
153
views
{cases} argument not running, rather says fraction has an extra '}'?
What is wrong with this piece of code in Latex?
$$\begin{displaystyle}
C =\begin{cases}
\frac{4}{3}, &(\text{for color singlet configuration}) \\
-\frac{1}{6}, &(\text{for color octet ...
- 103
0
votes
1
answer
207
views
break LHS into multiple lines for conditional function
This is what I have right now:
\begin{numcases}{\mathcal{F}(\mathcal{B}(\mathcal{P}_{err})[n],\mathcal{B}(\mathcal{P}_{cor})[n^\prime]) = }
XXXXXXX
\end{numcases}
and it does not look good because ...
- 1,339
1
vote
0
answers
778
views
Enumerating cases(Case 1, Case 2, etc.) inside problems
I am a beginner at latex and I was wondering how to enumerate cases. I tried to use \begin{case}, but the numbering is off. If I had multiple problems that involved cases, the numbering doesn't ...
- 313
2
votes
3
answers
272
views
why space between N500 and \le too large?
\begin{equation}
\begin{cases}
-16 \le &N_{500} \le -8.88 \times 10^{-16} \\
-4 \le &N_{501} \le 24 \\
-6.94 \times 10^{-17} \le &N_{502} \le 2.78 \times 10^{-16} \\
-24 \le &N_{511} \...
- 123
5
votes
4
answers
417
views
Efficient way to align columns in cases environment
I wanted to know if there was an efficient way to align the first column in a cases environment instead of using the \phantom code as I have used below?
The code I did somehow feels like a hack???
...
- 9,080
1
vote
1
answer
646
views
only number some condition in conditional function
Thanks to the answer provided here, however, is it possible that I only number some of the conditions instead all?
- 1,339
4
votes
3
answers
7k
views
MathJax: Have \displaystyle apply to each case of \begin{cases}
I would like \displaystyle to apply to each of my cases:
$$\begin{cases} \displaystyle
\frac 1 2 \\
\frac 3 4
\end{cases}$$
But it only seems to apply to the first:
How can it be applied to all ...
- 205
3
votes
3
answers
3k
views
Reduce space between condition and statement in Latex case equation
I will like to reduce the space between the statement and the condition (the blue arrow length) in the latex case equation shown in the attached figure. My aim is to make the condition move a bit to ...
- 169
4
votes
1
answer
3k
views
2
votes
2
answers
321
views
Problem with align and cases
I am trying to align my cases with other lines in my align environment but have had no luck thus far. Can you tell me how to align all these lines:
Here is my code:
\documentclass[11pt]{article}
\...
- 9,080
2
votes
1
answer
2k
views
Itemize with cases in beamer
I'm working on a beamer presentation in LaTeX and I'm trying to mix somethings that don't seem to want to go together. I'm trying to combine itemize and cases. Here is what I've tried and it didn't ...
- 55
3
votes
2
answers
338
views
extra alignment tab has been changed to \cr on using cases
I'm using the cryptocode package for typesetting a crytographic protocol. However, when I try using cases, I get an error saying
extra alignment tab has been changed to \cr.
How do I correct this? ...
- 133
4
votes
2
answers
2k
views
Extra } or forgotten $ in equation with begin{cases}
I've been staring at this for an hour now and don't see why I'm getting this error....can anyone help?
$k_\alpha = \begin{cases}
\frac{\log n}{\log \frac{n \log n}{m}} \left(1 + \alpha \frac{\log^2 \...
- 227
7
votes
5
answers
4k
views
Alignment within cases
I'm trying to align the if's in the following MWE, but also keep the (n times) alignment intact. Applying the mechanism from Multiple = alignment and from Aligning conditions in cases environment, I ...
- 653
3
votes
2
answers
5k
views
Align multiple equations within right braces
I'm trying to make an array of equations where some of them are marked with right braces. For the right braces I have used the rcases command from the solution offered at: https://tex.stackexchange....
- 63
3
votes
1
answer
4k
views
case brackets too big? [duplicate]
document class: report
\[
f(x)=
\begin{cases}
1 &\text{if } x\in U\\
F(x) &\text{if } x\notin U.
\end{cases}
\]
If $T$ is open in $[0,1]$ then
\[
f^{-1}[T]=\begin{cases}
\big(F^{-1}[T]\cap ...
- 305
1
vote
0
answers
155
views
System equation and varwidth [closed]
I have two question:
How can I left-align the equation system?
How can I middle-align (vertical) the item bullet?
\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{...
- 493
1
vote
1
answer
532
views
Extra alignment tab has been changed to \cr, any clue?
Anyone know what could be causing the problem here?
$$h(s) =
\begin{cases}
(a,0)\ & \text{if } a \not\in S\ &
(a,1)\ & \text{if } a \in S
\end{cases}
$$
- 239
1
vote
2
answers
1k
views
how to align multi level rcases in latex math
I'm trying to get an equation aligned with multiple levels of rcases:
But at least one of them doesn't align.
Any idea?
- 147
0
votes
1
answer
757
views
Extra alignment tab error trying to justify within cases environment
I am trying to align brackets inside of cases. This is my equation:
\begin{align}
y(x)=
\begin{cases}
\bigg[ & 1+2 & \\
& +5+6 \bigg] & \text{if } x < 2, \\
\bigg[ &...
- 2,533
7
votes
3
answers
1k
views
How to stop cases from spreading to multiple lines
Once upon a time, there was a 4 line code. A kid attempted to write it as equation (perhaps a bad idea). But, anyway, the attempt failed.
The code in question had two tricky elements that made life ...
- 173