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I included the following reference in my document:

\documentclass[12pt,a4paper]{article}

\usepackage{amssymb}
\usepackage[fleqn]{amsmath}
\usepackage{tikz}
\usepackage{amssymb}
\usepackage{multirow,bigdelim}
\usepackage{blkarray}
\usepackage{chngcntr}
\usetikzlibrary{matrix}

\linespread{1.5 ...

That works great. Thank you!

I want to label equations in my document with (2.b.c) indicating the subsection b and equation c in chapter 2. For all of the other chapters, I would like (d.e) to indicate the chapter d and equation number e (there are no subsections in the other chapters).

Can someone help me with this? I can use ...

I've tried really hard to use the templates given to make the matrix but I can't make the matrix look like the one I posted. I also keep getting errors.

Could someone post code which turns my matrix into a border matrix?

Thanks in advance.

I think the bordermatrix feature would be great hear.. Something like


\[\bordermatrix{&\text{To Orlando}&\text{To Philadelphia}&\text{To Seattle}\cr
\text{From Orlando}&0&1&1\cr
\text{From Philadelphia}&1&0&1\cr
\text{From Seattle}&0&1&0}\]

Thank you!

How would I add lines to form a block ...

\documentclass[12pt,a4paper]{article}

\usepackage{amssymb}
\usepackage[fleqn]{amsmath}
\usepackage{tikz}
\usepackage{amssymb}
\usetikzlibrary{matrix}

\begin{document}

\begin{equation}
\left(\begin{array}{ccccccc|ccccc}
+0&+1&\cdots &+j&\cdots & +k & \cdots &+0'&+1'&\cdots & +j' & \cdots ...

For your matrix with a diagonal line, you could use something like this:

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{matrix}

\begin{document}

\begin{tikzpicture}\small
\matrix (magic) [matrix of math nodes, left delimiter = (, right delimiter = )]
{%
\cdot & \cdot & \cdot ...

Thank you!

\documentclass[12pt,a4paper]{article}

\usepackage{amssymb}
\usepackage[fleqn]{amsmath}
\usepackage{tikz}

\linespread{1.5}

\numberwithin{equation}{subsection}

\tolerance = 10000
\setlength{\oddsidemargin}{8mm}
\setlength{\evensidemargin}{8mm}
\setlength{\topmargin}{-5mm}


\setlength ...

Hello,

I have three questions:

1) How would I draw a 6x6 matrix with dots as entries and a line that indicates the main diagonal?

2) In my current latex document, large matrices appear stretched vertically. Is there a way to make them more square (I'm using {amssymb}, [fleqn]{amsmath}, {tikz} and ...

\newpage\noindent
\Large{\textbf{Non-crossing partitions}}
\vskip 1.5cm \noindent
A partition...

In my document, the text beginning, 'A partition' is as large as the title even though I ended \large after the title.

I don't think this was happening before and I'm really confused.

Can someone ...