Linked Questions

23
votes
3answers
15k views

Large braces over several items in an itemize with text by the brace

This question is related to this question: Adding large brace next to body text, but is not a duplicate. I have an itemize in a beamer presentation. I want to put a brace over some of these items. So ...
18
votes
2answers
8k views

Insertion of perpendicular symbol at intersection of two perpendicular lines

This provides good details on How to draw a line passing through a point and perpendicular to another?. What I would like to do is to extend this somehow to add the usual geometry symbol to indicate ...
14
votes
5answers
2k views

TikZ - How can I draw a line through a point on a line, with the new line perpendicular to the old line?

I have a line A-B between the two points A and B and a point X on A-B. Now I'd like to draw a line through X which then is perpendicular to the line A-B. How can I do this? Also: No other (directly ...
17
votes
3answers
3k views

TikZ: how to find the intersection of two extended lines?

From How to draw a line passing through a point and perpendicular to another? I learned to use shorten to extend lines. But the extended part doesn't seem to "really exist". For example, I would like ...
9
votes
4answers
1k views

Can I enlarge lines in TikZ?

I'm currently creating lecture notes for "Geometry and Topology". As we now arrived at part about euclidean geometry, I quite often have the situation that I need to visualize lines (not line segments,...
11
votes
3answers
5k views

How to draw orthogonal vectors using TikZ

I have the problem, that I want to draw a vector that is decomposed into two orthogonal parts. A short example: \documentclass{article} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{...
12
votes
2answers
4k views

Perpendicular line to two-points-line given the length

I have two points A and B, I call the line consisting of A and B as LAB:ax+by+c=0, I would like to draw a line segment starting from the point B perpendicular to LAB and with length len such that the ...
5
votes
3answers
229 views

Reflecting a line and/or point with named coordinates

This code does not work with named coordinates (such as the following code). How can I reflect the blue line over the red line by using coordinate names. And how do I reflect just a named coordinate? ...
2
votes
2answers
178 views

How to add perpendicular symbol at desired location

I am trying to draw perpendicular symbol on point where the perpendicular line from O is meeting the line AB. But I am unable to achieve it. I try via simple draw because I use pgfplots (you can see ...
1
vote
1answer
126 views

Help in Tikz and how to change bend position

My code follow: \documentclass{book} \usepackage{tikz}% \usetikzlibrary{decorations.text,calc,arrows.meta}% \usepackage{tikz-qtree}% \usepackage{adjustbox} %\usepackage{showframe} \begin{document} \...
1
vote
2answers
75 views

Drawing some simple orthogonal projections

I'm a beginner with TikZ and I'd like to show that a vector y can be decomposed as How can I tell TikZ to draw a dashed line orthogonal to yp onto X and a vector ε orthogonal to X, starting at the ...
0
votes
2answers
46 views

Align arrows orthogonally to the line array

This code: \documentclass[tikz,border=1mm]{standalone} \usepackage{tikz} \begin{document} \begin{tikzpicture}[scale=4] \foreach \x in {1,...,10}{ \draw (-1+0.1*\x,1+0.1*\x) --...