Questions tagged [plot]

{plot} is for questions concerned with plotting data or functions using TeX. For questions specific to the pgfplots package, use the {pgfplots} tag.

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11
votes
2answers
5k views

Center nodes near coords in a stacked ybar plot

I'm trying to center the node values, at the middle of each bar, in a stacked plot. However I can only put those nodes in the top of each bar. Is it possible to move those down? To the center of each ...
11
votes
3answers
17k views

Error: “Dimension too large…” when plotting exponentials with TikZ

Despite having read answers to 4-5 relate questions, I still can't get why my code does not compile. Here it is: \documentclass[11pt,twoside]{book} \usepackage[paperheight=24cm, paperwidth=35cm, ...
11
votes
1answer
1k views

Curve synthesis - Adding two curves to get another one

Case 1: Let's say I have a few coordinates (A), (B), (C), (W), (X), (Y), and (Z) (possibily obtained through intersection, rotation, and whatnots). I draw two piecewise linear curves through (A), (B)...
11
votes
1answer
2k views

How to have linked axes on plots?

I plot infrared spectra in many reports and I display the energy units in two ways, wavenumbers $cm^{-1}$ on the bottom x-axis and wavelength (nm) on the upper x-axis. The relationship is X(nm)=...
11
votes
2answers
3k views

Plot functions and their point of intersection

We are plotting three functions as follows \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[enlargelimits=false] \addplot[domain=0:1,blue] {(1-x)/5}; \...
10
votes
6answers
2k views

Plotting the Cantor function

I would like to know if there is an (easy?) way of plotting the Cantor function (devil's staircase) using LaTeX. Doing it manually with TikZ seems like madness somehow and my knowledge of plotting ...
10
votes
4answers
4k views

What is the easiest way to plot a function and its tangent lines at the turning points?

I want to plot graphs like this and embed them as Tikz or Pstricks code in my handouts. I know that there are software such as Ipe, LaTeXDraw etc. But none of them can satisfy me. Because Ipe doesn't ...
10
votes
3answers
655 views

How to draw two intersecting graphs?

I want to make the following figure. My efforts are: \documentclass{standalone} \usepackage{pgfplots} \usetikzlibrary{calc,shadings} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \...
10
votes
2answers
816 views

Advices on drawing a complex figure using tikz

I'm working on wedding invitations and there's a logo that identifies the braid and the broom. Originally this was taken from the internet in a low resolution and quality that ruins up the overall ...
10
votes
2answers
17k views

drawing a line in polar coordinates

I have a point in polar coordinates (110:2cm), but from here I want to draw a line straight down. Doing (110:1cm) is a line towards the center along 110 degrees. Without taking 2*sin(110) and 2*cos(...
10
votes
1answer
2k views

Draw a spiral on a sphere

My goal is to visualize damped magnetic precession. Wikipedia features an image, but it doesn't quite capture one essential constraint. Namely, that the magnetization M should be normalized. So the ...
10
votes
1answer
1k views

Problem with legend in pgfplots

I want to make plot with fill area. I try this code \documentclass[a4paper,12pt]{report} \usepackage{pgfplots} \definecolor{plotmain}{HTML}{97bbcd} \pgfplotsset{every axis legend/.append style={at={...
10
votes
1answer
953 views

TikZ doesn't find all intersections between plot and a line

Why doesn't TikZ find all intersections. They are obviously there … \documentclass[border=10mm]{standalone} \usepackage{tikz} \usetikzlibrary{intersections} \begin{document} \begin{tikzpicture}[...
10
votes
1answer
191 views

How to typeset maths above the curve of a function with TikZ, with the curve masked (or locally opacified) to improve readibility?

I want to label a family of curves representing a simple family of mathematical functions : x -> x²+c where c will take various values between, say, -6 and 6. I want to superpose the label directly ...
10
votes
1answer
1k views

TikZ: Fill (closed) parametric plot of catacaustic

Is there a trick to fill the parametric plot of a catacaustic which looks closed but isn’t closed in TiKZ meaning. The Problem is the egdge which looks closed but isn’t it … I guess I can experiment ...
9
votes
4answers
943 views

Plot complete Fermi-Dirac integral in Lualatex

I am trying to plot this function with lualatex
9
votes
5answers
5k views

How can I draw dirac deltas with arrow heads with pgfplots

I would like to draw this in pgfplots: I've tried this, but I can't figure out how to get the arrowheads. \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \...
9
votes
3answers
527 views

programmatically drawing sinusoids with tikz

Here's eight full oscillations of a sine wave: Here's the code: \documentclass{standalone} \usepackage{tikz} \begin{document} \begin{tikzpicture} \draw[gray!20] (0,-2) grid (32,2); %...
9
votes
2answers
3k views

How to draw 3d vector field on a line?

How to draw 3d vector field on a line? I want to visualize the vector field $( m_x(x), m_y(x), m_z(x) )$. After searching "visualize vector field", I find that most plotting software either plotting ...
9
votes
3answers
1k views

Calculate function with integers as input and plotting

I'd like to plot the function 1/2*x(x+1) in for integer values ranging from 3 to 20 and in particular I'd like the function to be plotted in those points. I have managed to create the following graph ...
9
votes
2answers
1k views

Plot basic complex transformation in LaTeX

I want to first draw a shaded region on a xy-plane: 0≤x 0≤y≤π and then the image of the above region mapped onto a uv-plane by the transformation f=exp(z), i.e. the shaded region: exp(0)≤ρ ...
9
votes
3answers
782 views

How can I move a single node in a tikz plot?

I can't find an answer online, please help me. The following plot shows the percentage of 3 groups. The red line is the average (and needs to stay at 13.8). How can I move ONLY the node "2.9" a ...
9
votes
1answer
380 views

Random points in a rectangle

I have made a graph as shown in the following figure: For each rectangle I'd like to generate n random points in it, is it possible? My code: \begin{tikzpicture} \begin{axis}[ grid=major, ...
9
votes
1answer
838 views

Tikz / pgfplot: plot Alternating Sequence

Is there any possibility to plot an alternating sequence? Picture: Alternating sequence: I don't need exacly the same output as above. I tried the following: \begin{tikzpicture} \begin{axis}[ ...
9
votes
1answer
13k views

TikZ: Replacing the values (labels) on x-axis with names

I managed to create a simple linear plot with pgfplots-manual (chapter 4.5.1) Now I want to replace the values of x-axis (1,2,3,4) with text, e.g.Test A, Test B, Test C, Test D. How can I do such a ...
9
votes
1answer
1k views

Huge table/matrix with colored boxes

I have a huge CSV file with about 25.5k records that (structurally) looks like the sample below. In essence, I want to display the values of the columns U,V,W,X,Y,Z of each row as a colored box. The ...
9
votes
1answer
3k views

Pgfplots contour gnuplot crazy labels

This is driving me mad. I am tryng to create some contour plots, but I get them full of labels, so that they are unreadable! I can't even see the lines or read the values because they are too much. I ...
9
votes
1answer
1k views

Plotting several 2d curves (with different colors) in a 3d graph

I'm trying to reproduce 3D plots with several 2d curves, like in Plotting several 2D functions in a 3D graph. The end result looks like this: The questions are: I would like to change X labels (...
9
votes
1answer
845 views

Using pgfplots with a0poster

I want to use tikz/pgf to plot some graphs in a poster done with a0poster. That is the code: \begin{tikzpicture} \begin{axis}[xlabel=lambda, ylabel=int] \addplot[blue] table [mark=none, col sep=...
8
votes
4answers
2k views

tikz/pgfplot — always same distance between marks

Is there a way to get for all tikz-plots in one LaTeX document the same distance between the plot marks, ie the distance between the marks should be independent of sample size. It would be really ...
8
votes
3answers
655 views

Draw curve in same curve small

I want two make same space between two smooth curves \documentclass[12pt]{article} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture} \coordinate (O) at (0,0); \draw [...
8
votes
2answers
845 views

Rindler coordinate chart (family of parametric curves) in TikZ

Is it possible to make a plot like this with TikZ or other drawing packages? This plot visualizes a two parameter family of curves, given by T = x Sinh(t) X = x Cosh(t) The pink curves are curves ...
8
votes
1answer
646 views

How to make this figure using pgfplots in Latex?

I try to find a example to make a similar figure equal this example but not found. Thank you
8
votes
3answers
5k views

tikz plot of two sine waves, showing the phase difference

What I am trying to achieve here is to plot two sine waves, and with some dotted lines on the peaks showing a \Delta t in the middle, as the phase difference. Any help appreciated.
8
votes
4answers
1k views

Plot a curve, show on the axis only a specific symbolic value

I'd like to plot a curve like the following (TTR=1-e^{-t}; t*=-log(0.2); TTR_PLATEAU=1): So far I know only how show a series of symbolic values on axis. \documentclass{article} \usepackage{graphicx}...
8
votes
3answers
2k views

How can I plot the F distribution

I wish to plot the F distribution by declaring its density function. However with the following code I get an error saying that fdst has not been declared: \documentclass[border=5mm]{standalone} \...
8
votes
2answers
9k views

Proper way to change axis in plot tikz

I am trying to reconstruct the image below in tikz, and I think I have done a fairly decent job. The problem is that my code is a mess. Is there any simple clean way to produce this image? My main ...
8
votes
2answers
497 views

How to draw interlocking tori with Tikz?

I need to draw a couple of interlocking tori, as in the picture, using Tikz. I've been looking at some examples online and all I find is instructions to do it with Gnuplot, nothing about Tikz. If ...
8
votes
2answers
521 views

Comparison of pgf plotting packages

I know three ways to do function plots based on the TikZ/pgf package: TikZ/pgf directly pgfplots tkz-fct Which of those options is the most powerful? Why? Can you give typical cases where one ...
8
votes
2answers
3k views

Fill area of curve above a line using pgfplots

This question is related to Fill between two curves in pgfplots. which started me of. However, I need to have just the area above the reference line filled. \begin{tikzpicture} \pgfplotstableread{...
8
votes
2answers
1k views

Plot y^2=x^3+7 in Latex

My question refers to this post: Plot an elliptic curve in Latex I hope it is not too similar, but the answers in this questions did not work for me. I am trying to plot this in Latex But when I try ...
8
votes
2answers
10k views

Plot data from a LaTeX table

I have a table in LaTeX format. I would like to plot a few figures using this data, having the five frequencies (125, 250, 500, 1000, 2000, 4000) on the horizontal axis, and the absorption coefficient ...
8
votes
1answer
6k views

Define node at relative coordinates of \draw plot

I am not able to fix that simple plot. I think I missed something, but I can't point out what ! Could you tell me why (a) is not at midway of the red line ? \documentclass{article} \usepackage{tikz}...
8
votes
3answers
4k views

Plot a matrix of real values with TikZ/PGF like imshow in matlab

How can I plot a matrix of real values with TikZ/PGF such that it looks like plotted with imshow in MATLAB? \addplot3 does something similar, but I'd like to have that in a color-coded 2D plot.
8
votes
2answers
796 views

Coloring intersection of curves

I've made the following code: \begin{center} \begin{tikzpicture}[domain=0:6] \draw[->] (-1,0) -- (6,0) node[below right] {$x$}; \draw[->] (0,-1) -- (0,6) node[above] {$y$}; \draw[color=...
8
votes
2answers
2k views

How to draw this particular Mexican hat potential?

I know there are some other mexican hat questions here, but none of the answers seems complete to me. I would like to draw the following figure with TikZ with similar axis and labeling. How can one do ...
8
votes
1answer
7k views

Draw outside axis with pgfplots

I have the following diagram, and would like to extend the red line so it crosses the axes and goes on for a bit at the start and the end like in the second picture, but I would like the red and blue ...
8
votes
1answer
705 views

how to draw plots without data in tikz?

I want to draw this plot. I know how to do it with data. But here I don't have any data. And I want to draw this. How would I do it?
8
votes
1answer
406 views

Tikz plots distorted mark

Consider the following code: \documentclass{minimal} \usepackage{tikz} \usetikzlibrary{plotmarks} \begin{document} \tikz{\draw (0,0) -- plot[mark=o] (0.5,0) -- (1,0);} \end{document} It seems that ...
8
votes
1answer
3k views

How can I display tick marks on only one axis of a pgfplots graph?

How can I display tick marks on only one axis of a pgfplots graph? Here is some simple code to work with: \documentclass{article} \usepackage{tikz} \usepackage{pgfplots} \begin{document} \begin{...