12k views

### Inline TikZ - vertical centering

If I inline a bounded line segment like this: the distance \tikz{ \draw [|-|] (0,0) -- (5ex,0); } overarching the activities how can I make the line appear vertically centered on the line (...
10k views

### Text above matrices

I am new to latex and I am trying to create this: So far I have been able to create the matrices, like so: \[ N\textrm{ spectra} \begin{bmatrix} a_{11} & a_{12} & \cdots & a_{1M} ...
5k views

### How to highlight a single element in a matrix?

I am trying to write out the LU decomposition of a matrix A. I am able to highlight the pivot column with elements below the pivot element except when I get to the last column. Does anyone know how I ...
2k views

### Making an anti-clockwise circled arrow around a + sign in a math environment

\makeatletter \newlength\@SizeOfCirc% \newcommand{\CricArrowRight}[1]{% \setlength{\@SizeOfCirc}{\maxof{\widthof{#1}}{\heightof{#1}}}% \tikz [x=1.0ex,y=1.0ex,line width=.15ex, draw=black]% \draw [->...
777 views

### Fitting as a background to nodes in multiple pictures

I'm using TikZ pictures to represent terms in an equation, and I want to visually group some of these terms by drawing a rectangle behind them. But each term is its own separate picture, which means I ...
415 views

### tikz and limits

I don't really know how to explain what I want to do other than giving you the code I wrote : \varinjlim\limits_\cI \left( \begin{tikzpicture} \matrix (m) [matrix of math nodes,row sep=1em,...
748 views

### Arrow from last line of equation to the first

I would like to have something similar to the arrow in this picture: Is this possible to include without a lot of coding? At the moment the code is: \documentclass[10pt,a4paper]{scrbook} \...
3k views

### Tikzpicture and matrix

I want use tikzpicture for draw my matrix, U=[matrix], using this code \begin{align*} U&= \begin{tikzpicture}[decoration=brace] \matrix (m)[matrix of math nodes,left delimiter=[,right delimiter={]...
714 views

### How can I type this form of a matrix in LaTeX?

How can I type this form of a matrix in LaTeX?
998 views

### Joining parts of equations with lines or arrows

I need to add lines or arrows to show the expansion of possibilities as a problem space expand. For example I'm attempting to produce something like this (with the lines added by hand): I can find ...
564 views

### Is it possible to combine cases with pgfplots legend?

I would like to print a function and add a legend which makes use of cases. The current code is: \documentclass{article} \usepackage[pdftex,active,tightpage]{preview} \setlength\PreviewBorder{2mm} \...
825 views

### Sizing parentheses around tikzpicture

I'd like to put parentheses around a picture I'm drawing with tikz. I tried using \left( and \right but this gives me parentheses twice the height of the picture, with the picture only occupying the ...
1k views

### Circular Segment Symbol

is there a symbol for denoting a circular segment? I mean, a semi-circle to place over three letters, something like \wideparen or \frown but closed on the bottom. (To use with \overset or something ...