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### How to draw tangent vectors and component vectors on a curve

I am searching for a way to have a figure drawn using LaTeX. I am aware of some packages TikZ and PSTricks that could accomplish this, and have been tinkering around with them recently but do not have ...
2k views

### Storing and re-using tikz coordinates for position and tangent vectors

The following code \documentclass[border=5pt]{standalone} \usepackage{tikz} \usepackage{pgfplots} \pgfplotsset{compat=1.11} \usetikzlibrary{arrows,backgrounds,patterns,shapes.geometric,calc,...
6k views

### Line tangent to a a curve (using plot or controls), starting at a point

I need to draw lines that are parallel to a curve starting at a point. The curve could be a curve drawn using 3 point as my example below did, but alternatively could be a curve drawn using the \...
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### How do I make tangents to ellipses and lines parallel to these?

I have specified an ellipse and three points in the following way: \def\aa{2.5} \def\bb{2} \draw[thick] (0,0) ellipse [x radius=\aa,y radius=\bb]; \pgfmathsetmacro{\focus}{sqrt(\aa*\aa-\bb*\bb)} \...
600 views

### Tangent Lines Diagram Along Smooth Curve

I am trying to replicate a diagram and have a minimal example. I don't know how to add additional tangents between the specified points and preserve smoothness. \documentclass{article} \usepackage{...
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### Typesetting a directed hypergraph in tikz

Similar to several other questions, I am trying to draw hypergraphs in tikz. I want to draw a directed hypergraph that looks something like those in this image from here: As opposed to other ...
1k views

### Highlight and use arrows in an equation In a robust manner

I am trying to give a very simple analogy to what I am trying to do with LaTeX. I simply want to write two vectors, one below or next the other, and then, use nodes to link the last two elements of ...
758 views

### Using \foreach inside a draw command using TIKZ

I'm brand new to using \foreach but not coding in general. Following the code in answer number 40 of this example: How to draw tangent line of an arbitrary point on a path in TikZ How can I properly ...
736 views

### Add a second label to a path in an automaton

Friends, consider the following code: \documentclass{article} \usepackage{tikz} \usetikzlibrary{automata} \usetikzlibrary{positioning} \begin{document} \begin{tikzpicture}[shorten >=1pt,,node ...
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### TikZ:How to consider a curve as an axis in a chart?

In the shown image bottom and left lines are considered as axis...:How to consider left curve as an axis in the chart? Psychrometric charts: http://en.wikipedia.org/wiki/File:PsychrometricChart....
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### Tikz and Secant Line diagram

Hi I am looking for feedback to improve an existing program PLUS advice for a desired diagram in the same direction. Here is my minimal example: \documentclass{article} \usepackage{tikz} \...
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### How to get a tangent coordinate system for the decoration of a path?

I want to draw some lines in a tangent coordinate system of the decoration of a path. Especially I want to draw a tangent segment at the end of the decoration with full controll, i.e. with having the ...
992 views

### How to draw a tangent line to the following curve?

I want to draw the following diagram Here is my MWE: \documentclass[border=3mm]{standalone} \usepackage{pgfplots} \pgfplotsset{width=8cm,compat=newest} \begin{document} \begin{tikzpicture} \...