{array} is an environment used in {math-mode}. It can be useful when aligning terms.

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Blockarray errors

After inserting a second blockarray-environment in front of a first one I get a dozen error messages for lines where none appeared before. It seems to have to do with the inserted ...
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1answer
57 views

Numbering an array of equations

I want to do this thing in an equation array mode. Exactly same in the figure.
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2answers
103 views

Is the blkarray package compatible with Xetex and amsmath?

Running xelatex on the file \documentclass{article} \usepackage{amsmath} \usepackage{blkarray} \begin{document} \begin{blockarray}{c} 1 \end{blockarray} \end{document} gives the error ...
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2answers
42 views

Alignment in function definitions

I have the following code for the definition of a function \begin{align*} \varphi_{\sigma}\colon &E \longrightarrow E \\ &(x_{1},x_{2},...,x_{n}) \longmapsto ...
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1answer
44 views

A specific problem with alignment of arrays with brackets

In the example below I would like to have the "on" exactely below each other, i.e. to put it in one table - that is of course without any problem, BUT the bracket and the numbering! How to get it in ...
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1answer
56 views

How to draw adjacency array with TikZ?

I will draw a graph representation as adjacency array, also something like that: How to make it? I didn't found any examples like the picture above.
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2answers
73 views

newcommand: passing coordinates as a single argument

Is it possible to pass an array argument to newcommand and then access those individual array elements? For example, if I wanted to multiply the third element of the array (first argument) by the ...
2
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1answer
49 views

Reflect / flip / rotate a table or array without rotating the elements

I have been working on an array environment, but I have realized that it would take up less space if it was reflected across the diagonal (I suppose this is not quite the same as flipped or rotated, ...
2
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1answer
204 views

Use of \@array doesn't match its definition

I am doing something wrong here. I get a message saying Use of \@array doesn't match its definition. `\@ifnextchar ... \reserved@d =#1\def \reserved@a { #2}\def \reserved@b {#3}\f... l.108 ...
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0answers
49 views

Extra space before the first row of an array

Why is there so much space before my array's first row? How can I fix it (as I don't believe that this is its default behaviour)? \documentclass[12pt]{article} \usepackage{parskip} ...
4
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1answer
68 views

Is there anything like “displaystyle” for “arrays”? [duplicate]

I have this equation and I would like to "get more space" into it, how to do it? \documentclass[a4paper,12pt]{article} \usepackage{amsmath} \usepackage{amssymb} \begin{document} ...
4
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1answer
60 views

Why is the spacing different after a multiline array environment?

My goal is to get equal line spacing between text and array environments. This mostly works without any modification, except for one case: If the array environment consists of more than one line, the ...
3
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1answer
80 views

Long division display

\documentclass[12pt]{article} \pagestyle{empty} \begin{document} $$ \begin{array}{cccccccc} & & & 1 & 0 & 9 & 8 & 9 \\ 13 & ) & 1 & 4 & 2 & 8 & 5 ...
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1answer
44 views

array and command in column' s definition of table

to develop a specific class, I would like to define columns in a table by a macro definition. Like in this MWE \def\titi{c|c|c} \begin{tabular}{\titi} a& b&c\\ a& b&c\\ a& ...
2
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2answers
63 views

How can I format this in lyx?

I'm trying to format a confusion matrix in lyx. I want the data to look like this. a b c d e f g <-- classified as 1 5 10 8 4 2 0 | a = 3 3 ...
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1answer
75 views

Stating linear program

i want to formulate a linear program. But all i found is not what i am looking for. It should look similar to this picture: The main difference is that i want on right sight automatic numbering ...
3
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1answer
44 views

How to use booktab or type this Table in REVTex4 / REVTex4-1

I wish to type this table in REVTex, however, the code below does not work for \documentclass{revtex4} but only for \documentclass{article}: \documentclass{revtex4} ...
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1answer
35 views

Extending a line in the Table

I wish to have a Table setting like the following graph with an extra line inserted between a and b. Namely, I wish to extend the line separating 1, 4 and 2, 5 to the line separating a and b. The ...
4
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1answer
45 views

LaTeX elsarticle \cline for array mode

I am making a matrix like this one: \documentclass[preprint,11pt,3p]{elsarticle} \usepackage{amsmath,epsfig,amsfonts,amssymb,subfig} \usepackage{amsfonts,mathdots} \usepackage[ngerman]{babel} ...
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2answers
157 views

amsmath matrix vs loading the array package

Here is an interesting interaction. Consider the example below. Whenever the array package is loaded, extra space appears on the right in the output. Any ideas as to why? ...
0
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1answer
49 views

I want to make an equation, but I can't get what I want on the correct lines

$$\frac{\partial u}{\partial x}(x,y)=f(x,y,u(x,y))$$ $$\frac{\partial u}{\partial y}(x,y)=g(x,y,u(x,y))$$ $$u(x_0,y_0)=u_0$$ I want to write this but as an equation, I have tried \begin{equation} ...
5
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1answer
41 views

Package array error: Illegal pream-token (\ifthenelse)

This table environment mymulticolumn has three arguments, the first of which sets an optional \arraystretch, the second of which sets the "apparent" number of columns (either 2 or 3), and the last of ...
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1answer
35 views

Align an array horizontally to the center of the page

I am trying to make an array align to the center of the page. My search for the answer was fruitless as all of the questions (that I have find) refer to the alignment of the array elements and not ...
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1answer
32 views

Using array inside alignat to create equation legend

I want to describe the parameters in used in the equation in two columns below the equations. Something like this **** = ******* *** = ********** - - | A: ...
2
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2answers
647 views

Multicolumn/multirow inside align

Is there a way to use \multicolumn or \multirow inside an array environment which is inside align environment? For instance, the following piece of code gives me an error. What is the way around this? ...
4
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3answers
203 views

How to align long array?

I use Mathematica and the command TeXForm to convert Equation. The array is too long. I try to find a way but I can't align this equation. How can I do? \documentclass[12pt,a4paper]{article} ...
3
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1answer
39 views

The word 'granulocytes' divides into three categories as 'neutrophils, eosinophils and basophils.' How may I include it in the following set-up?

The subdivision of granulocytes must be in the same figure; just as luekocytes were subdivided with curly brackets, `granulocytes' must be divided, but in the same figure. ...
2
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2answers
50 views

tikzpicture and array side by side in subfigure won't align

I am trying to align side by side a tikzpicture (an image of a network) and an array (a matrix) but no matter what I do they wont align properly. Two arrays side by side and two tikzpictures side by ...
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3answers
58 views

Array environment cell over two rows keeping alignment

I am trying to span braces over two rows while keeping the aligment in the following example correct alignment in this case the alignment is correct. I think I am nearly there, any help would be ...
3
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1answer
31 views

Can I nest an array in a table?

In my code I have this: \begin{equation*} \left. \begin{array}{rcl} 2x\lambda &=& 2 \\ 2y\lambda &=& 3 \\ 2z\lambda &=& 4 \\ x^2+y^2+z^2 &=& 1 \\ ...
9
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1answer
918 views

Positioning of numbers in gb4e.sty examples

I'm planning to use the following numbered examples in a document (see example below). I would like the number to be at the top of the example, but for the ones with diagrams it ends up in the middle. ...
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5answers
10k views

bordermatrix with blocks

I need to write a complicated matrix, that has a structure as in the attached picture.
2
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1answer
63 views

How to add horizontal line for subtraction in array

I already have this: \documentclass{article} \usepackage{amsmath} \begin{document} $k:\left\{ \begin{array}{cccccc}x & = & -3+3\lambda & \Big| & 4 & \Big| \\ y & = & ...
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Decipher a code for an array environment

I saw on this web site two codes to get vertical alignment at the equals signs in consecutive systems of equations. One of them uses the systeme package and the \mathrlap command for the quantity on ...
2
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1answer
44 views

Horizontally align objects inside arrays of different equations

In this set of equations... ...is it possible, to horizontally align the columns with the xes? More precisely, I would like to shift the right hand side of the upper equation, such that the xes ...
3
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2answers
83 views

Break the line in array mode

I have used the array mode to write cases. But sometimes the lines are too closed to each others, I want to add a break line between them, sometimes it works, but sometimes no. Here is my MWE: ...
2
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1answer
54 views

Tweak and prettify a nested table

I am attempting to create a table in which cells of one of the columns contains a nested table as the cell value. So far I have got this: \documentclass{article} \usepackage{array,multirow} ...
2
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1answer
55 views

missing $ inserted in arrays

this is my code: \documentclass{article} \usepackage{amsmath} \begin{document} \clearpage \begin{center} \begin{minipage}{.6\textwidth} \begin{equation*} a^2 + b^2 = c^2\newline \end{equation*} ...
3
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2answers
101 views

How to obtain a justified paragraph with correct word-spacing in tabular environment?

I'm trying to obtain a tabular with three columns of text vertically aligned on top (using array package and p{'width'}), but I can't figure how to obtain a regular spacing between words, like a ...
2
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1answer
54 views

Can't get two equations to align using eqnarray

I'm trying to align two equations using eqnarray. Sample: \documentclass{article} \begin{document} \subsubsection*{\begin{center}Variance equations\end{center}} \begin{eqnarray} \mu = ...
2
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1answer
321 views

label in subcaption and customize cell size of an array

Using the following code \documentclass[11pt]{article} \usepackage{caption} \usepackage{subcaption} \DeclareCaptionSubType*[arabic]{table} \captionsetup[subtable]{labelformat=simple,labelsep=space} ...
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5answers
435 views

Draw a vertical line over the entries of a column in an array

I'd like to draw vertical/horizontal lines over the entries of a column/row in an array. I find the method to draw horizontal lines at Draw a horizonal line over the entries of a row in an array. But ...
3
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1answer
40 views

Enter 2 by n matrix (permutation notation) as inline math without taking up much space [duplicate]

I need to use something that looks like a 2 by n matrix as inline math. How can I achieve this without it pushing the lines apart? Example: \left(\begin{array}{cccc} 1 & 2 & \dots & N ...
2
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1answer
52 views

Adaptative column width

I am currently automating a report generation and I am now trying to obtain a consistent look on my arrays. I am currently working on a part where the pages need to be set in landscape mode, so I am ...
4
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3answers
145 views

Question about @{} used in array environment

I saw people use @{} in the array's environment at Align a linear program. I can understand that l means flush the array cell to left, but cannot understand what the purpose of @{} or find it in ...
2
votes
1answer
33 views

array: incrementing in an array with a prescribed rule

From an earlier post, tabular environment: incrementing the headings, I learned some of the basics of incrementing a counter in an array. However, I don't know enough yet to set up a counter for the ...
5
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1answer
87 views

Vertically align two horizontally-parallel equations

I am attempting to vertically align two equations at multiple points and I have come up with the following: \begin{array}{rlclcl} \eta(n)&\equiv&\frac{\Lambda(n)}{\log ...
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2answers
327 views

Difference between tabular and array environment

What is the difference between a tabular and an array environment? When should be used the former and when the latter?
3
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2answers
120 views

nested array with alignment

I am trying to generate latex output as given below. However, the types is not coming properly aligned. It looks like it subscribes to the previous array environment. Could you please point out the ...
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2answers
57 views

How to set the equation width to be contained within one colum

I am using a two-column layout in my latex source file, and I have a series of (inequality) equations to show, which I wanted to keep them inside the left column. However, with \begin{align*} ...