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.

Filter by
Sorted by
Tagged with
6
votes
1answer
3k views

tikz draw plot not correct

I am trying to plot a naca0012 airfoil profile by its analytic function ( cf wikipedia ) using tikz and I can't understand why I get the following results. I precise that I get the same results if I ...
6
votes
2answers
5k views

Bar plot labels and grids

\documentclass[a4paper,11pt]{report} \usepackage{tikz} \usepackage{verbatim} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[ title = {Optimalization based upon co-occurences}, ...
6
votes
1answer
2k views

Why are my symbolic x coordinate labels printed twice in a tikz plot?

I'm trying to plot a bar graph, using symbolic x coordinates. For some reason, the name of some symbolic coordinates appears under the x axis more than once. If I increase the width (e.g. 12cm) the ...
6
votes
1answer
8k views

Adding axes labels to LaTeX figures

I have almost managed, With this code: \begin{figure}[htb] \hspace*{-5cm} \begin{minipage}{0.5cm} \rotatebox{90}{\textcolor{red}{$y$-axis label}} \end{minipage}% \begin{minipage}{\dimexpr\linewidth-...
6
votes
1answer
127 views

Equivalent to “shorten <=” for intermediate points

Halo everybody, I try to plot a data set using tikz & pgf. I want that the points in the plot are connected, but the line shouldn't touch the points. I can achieve this for the first and the last ...
6
votes
1answer
2k views

Color and legend for 3d surface

I'm trying to plot a 3d surface using pgfplots and this is what I have done so far: \usepgfplotslibrary{patchplots} \begin{tikzpicture} \begin{axis}[% width=12cm,height=12cm, xlabel={$J_1$}, ylabel={$...
6
votes
1answer
987 views

tikz: plot stepped gauss

I need to plot a stepped gauss curve as shown below. Yet I want to do this dynamically (in text) so I can alter it later. I know how to plot a smooth gauss but I really need the stepped one. Also a ...
6
votes
1answer
251 views

TikZ - How to plot composed function of type x(t) = cos(t+ cos(t)) without pgfplots?

I'm trying to plot a graph of a composed function in form x(t) = cos(t+ cos(t)) using only TikZ without PGFplots, but the result is incorrect. (source: mrak.cz) The used code is: \documentclass{...
6
votes
1answer
213 views

Add Whitespace Around Plot Marks

I have a simple graph in PGFPlots, where the marks of two different plots slightly overlap: Around 50 and 100 the graph gets a bit too busy, so I would like to add some whitespace around the marks, ...
6
votes
1answer
283 views

Calculate axis limits depending on depicted data

In a pgfplots axis environment, I want to make the axis limits dependent on the depicted data or some other data. Consider the minimum working example \documentclass{standalone} \usepackage{pgfplots}...
6
votes
1answer
952 views

Uniformly spaced line markers

I'm reading line data from file and plotting it. By default, the curve has markers, where are the original data points. The data points are very uneven, but I would like to have evenly distributed ...
6
votes
1answer
2k views

Add fancy design to pgfplots (shadows, rounded corners, reflections)

In our company we would like to run the client reportings in LaTeX, which works quite well, but we are struggeling with the design requirements for plots - we use pgfplots. Our aim is to get those ...
6
votes
1answer
5k views

Plotting a piecewise function

I'm trying to learn to plot in latex, but I'm having a problem trying to find out which packages that are best to use in this situation, and I find it a bit of a learning curve. Suppose you have the ...
6
votes
1answer
2k views

plotting statistical data, putting years at the Xticklabel PGFplot

I want to plot these data and i can't figure out how to put the years at the X axis, I want to display all the years not a 5 year step. \begin{tikzpicture} \begin{axis}[width=8cm, x tick label style={...
6
votes
1answer
1k views

PGFplots: How to add a legend to “superimposed” plots

I have "superimposed" different plots on the same graph (i.e., I have two axises environments in one tikzpicture environment.) Now I would like to add a single legend for both of the plots and place ...
6
votes
1answer
706 views

Plot functions and data together using PSTricks

I would like to create the following graph using PSTricks: The data, which can be downloaded from http://gupl.dk/705644/, should be plotted together with the three graphs. I have managed to plot data ...
6
votes
1answer
1k views

Labeling a function's plot generated by “plot function” [duplicate]

Possible Duplicate: How to label a path drawn using tikz with \draw plot? Consider plotting a parabola using the following code: \begin{scope}[domain=-2:2] \draw[<->,color=green,line ...
6
votes
1answer
892 views

tikz 3d graph with circular domain

I have got a pretty simple function to make a 3D graph of. The function is defined as: Plotting this was not that much of a problem with the follwing code: \documentclass[border=10pt]{standalone} \...
6
votes
1answer
2k views

Create a Shmoo plot with pgfplots/tikz

I'm interested in creating a Shmoo-plot using LaTeX. I have looked through the PGFplot-examples but couldn't find any that looked suitable as a starting template. Google produces nothing as well, and ...
6
votes
1answer
2k views

Plotting multiple lines with a colormap in pgfplots

I have a similar question to Steve Hatcher from this thread: Spectrum colormap for multiple curves I have a data file (mwe_data.txt) which contains multiple columns. The first column is the x-axis, ...
5
votes
3answers
998 views

Help! How to draw the plot of y=(ax+b)/(cx+d) and give an example!

I find in pst-plot.pdf, pst-func.pdf document but there is no its tutorial. So I hope anyone help me to draw the plot of it.(its code :-)) ). Thanks. Example: y=(x-2)/(2x+1) Can anyone draw it by ...
5
votes
2answers
4k views

Packages to plot functions such as the logistic function (or “S-shaped function”)?

Is it possible to plot the graph of an S-shaped function in LaTeX? If yes, then how? Which packages should I use for that?
5
votes
5answers
927 views

Plotting exponential functions

Can anyone give me a clue on how to plot this function: It can be with any package, as the ones I've tried to use don't work (pgfplots gives me TeX capacity exceeded, sorry), my attempts with other ...
5
votes
2answers
1k views

Adding points when plotting a graph: how to do with tikz?

My question How can I add plots to the graph I am drawing, in order to have a more precise drawing? My code I am learning how to plot graphs. Here is the code I use. You can see on the picture ...
5
votes
2answers
2k views

Area between curves

I want to fill the area of a region R bounded by x=f(y), x=g(y), y=A and y=B. For example, R is bounded by x=0, x=2/y, y=1 and y=4.
5
votes
2answers
1k views

Making given y-axis data in dB?

I learned recently how to draw in pgfplots and is really enjoying the output. I generate my data in matlab and then write it to a file. One line of the file will contain two entries, first x-axis data ...
5
votes
1answer
626 views

Plotting the Lorentz Constant in LaTeX

I'm having trouble producing a graph of the Lorentz constant, defined by \frac{1}{\sqrt{1 - v^2/c^2}$ as a function of $v$. (Here, $c$ = $3 * 10^8$). I tried many examples, but I usually get "...
5
votes
2answers
602 views

how to plot multiplication of two functions in latex

I'm new to latex and am trying to plot f(x)=sqrt{2/pi}*exp{-x^2/2} I managed to plot the exponential part easily but when I multiply it by the square root 4 errors occur. This is my code: \...
5
votes
2answers
956 views

plotting graphs with dspPlot functions

I have tried plotting graphs with dspPlot as explained by Prof. Paolo Prandoni and Prof. Martin Vetterli in their site but failed. They have run the following code to generate curve in their DSP book ...
5
votes
2answers
217 views

TikZ plot too verbose

I was wondering if there was a more succinct way to express the following plot (I'm using the plain format): \input tikz \tikzpicture \draw[help lines, ystep=.5] (-.2,-10) grid (12.5,15); \draw[-&...
5
votes
1answer
6k views

Plotting f(x) = sin x and f(x) = cos x on pgf/tikz

I'm new to graphing on TikZ/pgf and have been trying to figure this out but can't seem to find any helpful info for what I want. I want to plot the above functions over one period, i.e. on the ...
5
votes
3answers
1k views

How do I draw graphs?

I'm new to Latex and I think I am going to use it for my physics classes in school. I have found a really good template: https://www.sharelatex.com/templates/journals/aip/ (I use sharelatex) which is ...
5
votes
1answer
517 views

How to plot data in latex like Libreoffice calc?

I want to plot the following data in latex : I have plotted it with libreoffice calc 5 on LinuxMint and look like below: I want to do the same task with latex(tikzpicture)? I have tried to do ...
5
votes
3answers
1k views

Plot bessel functions

Is there any way of producing first and second kind bessel functions? What about modified bessel functions? I want to have J_{\nu} (x) , Y_{\nu} (x), I_{\nu} (x) and K_{\nu} (x) in a separate ...
5
votes
2answers
203 views

Error in pgfplot when big offset is subtracted

I have some data with a huge offset that I want to plot. Im using PGF plots, where it's possible to subtract the offset from a whole row in my data. This works when the offset isn't too big, and/or ...
5
votes
1answer
468 views

Tikz - conformal map

How can I draw this: With my code I made this far : \begin{figure}[!h] \centering \begin{tikzpicture} \draw (-1,0) arc (180:360:1cm and 0.5cm); \draw[dashed] (-1,0) arc (180:0:1cm and 0.5cm); \draw ...
5
votes
1answer
3k views

PGF Math: “An internal routine of the floating point unit near”

I am using this snippet: \documentclass{beamer} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[ xlabel=$x$, ylabel={$f(x) = x^{-1}$} ] \addplot {x^{-1}}; %...
5
votes
1answer
2k views

Plotting a 2D gaussian sample

Can you please help me with making a 2D Guassian sample with specified means and variances? I only know how to make a guassian curve :D \documentclass{article} \usepackage{paralist,pst-func, pst-...
5
votes
2answers
83 views

tabular with xticks enabled at some plots make one plot moved

I have 4 plots arranged using tabular: \documentclass{scrartcl} \usepackage{pgfplots} \pgfplotsset{compat=1.16} \begin{document} \pgfplotsset{ height=4cm, width=\linewidth*0.5, every axis plot ...
5
votes
2answers
307 views

adding nodes to line segments

I have the following code: \documentclass{standalone} \usepackage{tikz} \usepackage{pgfplots} \usepackage[active,float]{preview} \usetikzlibrary{calc} \usetikzlibrary{graphs,plotmarks,arrows,automata,...
5
votes
1answer
1k views

plot a rational function with TikZ

I am trying to plot a function but something is incorrectly written... Could anyone please help me? \documentclass[12pt,a4paper]{article} \usepackage{amsmath, tikz} \usepackage[margin=3cm]{geometry} \...
5
votes
2answers
678 views

Fourier Spectrum conversion from 3D to 2D

I am delighted to have the link ORIGINAL LINK However, I have modified the graph to suit my purpose but it's still in xyz-plane. Actually, I want to have the same graph in xy-plane. My MWE is as ...
5
votes
2answers
460 views

Is it possible to extrapolate data for a 3d-plot in pgfplots?

I am having several measurements to plot and would like to use something like a 3d surface from pgfplots. I am having a frame as outer border and a grid as measurement raster. The measured values are ...
5
votes
1answer
3k views

pgfplots: Points with no marks but errorbars?

How can I plot data points with pgfplots that have no marks, but error bars? If I try marks=none and enable errobars, I get big filled circles with errobars. If I change my mark to mark=+, for example,...
5
votes
2answers
2k views

Confusion matrix in LaTeX

I used the proposed example in the "confusion matrix using only LaTeX code" I increased the number of classes and until 9x9 confusion matrix, everything worked very well, but for 10 or higher numbers ...
5
votes
1answer
1k views

Plotting piecewise function using declare function

I am trying to plot a piecewise defined function, but somehow I don't manage to get it right. See below. I use the following code \begin{tikzpicture}[ declare function={ func(\x)=(\x >8/10) * (6/...
5
votes
2answers
1k views

Scale the Axis in Tikz

I have the following problem: \begin{center} \begin{tikzpicture}[scale=0.5, >=latex] \draw[->] (-6,0) -- (6,0) node[right] {\scriptsize $x$}; \draw[->] (0,-5) -- (0,15) node[above] {\...
5
votes
1answer
872 views

How to change the color scheme to make this figure more elegant?

Here different colors means different weight of the edge, and the color of the points is arbitrary. The tex code: \documentclass[aps,prl,superscriptaddress]{revtex4} \usepackage{subfigure} \...
5
votes
1answer
429 views

How draw lines at certain angle on a function graph in TikZ

How can one draw orthogonal tick marks on a function? For instance in the following plot I would like to make orthogonal tick marks on the function y=x^2, say. \documentclass{article} \usepackage{...
5
votes
1answer
1k views

Making a log plot with negative values “continuous”

I'm trying to plot some data on a log axis using PGFplots. The data include negative values. Obviously, these can't be displayed on the plot, but I'd like the plot to "run into" the lower edge to ...