# Tagged Questions

{gnuplot} Gnuplot is a portable command-line driven graphing utility for Linux, OS/2, MS Windows, OS X, VMS, and many other platforms.

39k views

### How to draw Venn diagrams (especially: complements) in LaTeX

What I am up to is to write some exercises dealing with logical formulas for my students, like: And the students should draw these formulas on Venn diagrams. At the end of the lesson, I really ...
8k views

### Fill the area between two curves calculated by pgfplots

This is essentially the same question as fill the area between two curves when their coordinates are known. In that question, the curves were defined by known coordinates. I want to fill the area ...
2k views

### What is the best way to produce TikZ picture for discrete signals?

I would like to draw discrete signals, as shown in the illustration below, but not by way of drawings of individual lines.gnuplot could be used for this work? It would be nice to be able to choose the ...
2k views

### Tikz for large files

I have a question regarding the use of TikZ. I have five large sets of data (15000 points) and I want to use TikZ to plot my data, but obviously the amount of memory isn't sufficient. Can anyone give ...
8k views

### GnuplotTex: automatic plotting and vertical line indication

I am using pdflatex with the gnuplottex package, to plot a function with a local maximum; I'd like to find this maximum automatically and label it. For the most part, I'm already there (using the ...
3k views

### Fill a contour-plot

I did some calculations in Mathematica that gave me a contour plot: To include the output I wanted to however draw it with pfgplot. But there I don't get it to work, first of all the y-axis doesn't ...
4k views

### Plotting an implicit function using TikZ

How could one plot an implicit function, like (x^2+y^2)^3-4x^2y^2 using TikZ? I know gnuplot supports them, but they are drawn using a surface built from the function and intersecting the result with ...
4k views

### Big data surface plots: Call gnuplot from tikz to generate bitmap and include automatically?

Motivation I have large numerical data files, that I would like to create density (surface) plots of. Since they are very big, we can rule out a few possibilities such as to plot them directly with ...
3k views

### Plotting an implicit function using pgfplots

What is the correct way to plot an implicit function using pgfplots? Consider the following example: \documentclass{standalone} \usepackage{pgfplots} \pgfplotsset{compat=newest} \begin{document} \...
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### Put Gnuplot mutiple surfaces plot in PGFplots axis environment to overcome z-buffer problem

Although PGFplots is the perfect tool for many depictions, it unfortunately does not have a properly working z buffer for intersecting surfaces (at this time, 10-09-2015). I'm trying to overcome this ...
2k views

### Is there an advantage to using LaTeX graphics instead of eps or pdf?

Back in my first courses I learned that the best graphic format to use when plotting data with gnuplot (which will later be used in a LaTeX document) is eps (encapsulated postscript). I didn't really ...
12k views

### How to graph a function using TikZ?

I want to plot this function with a big range says, (-10,000:10,000), unfortunately I couldn't figure out how to set the domain, or xrange correctly to scale the graph nicely. This is what I have so ...
3k views

### Adding values to pgfplot legend

As a follow-up to my earlier question (here), here is a question that is perhaps a little more latex than gnuplot. having used gnuplot and pgfplots to generate a fitted curve, is there an easy way to ...
15k views

### Gnuplot Setting the Number of Key Columns

I am having an issue setting the number of key (i.e., legend) columns using Gnuplot with the TiKz terminal. Here's a minimal working example of what I'm talking about: #!/usr/bin/env gnuplot set term ...
2k views

### Consistently specify a Function and use it for computation and plotting

I would like to be able to specify a mathematical function and be able to use that for multiple purposes including: Computation of values (see bullet points below) Graphing using pgfplot Graphing ...
5k views

### Non-linear curve fitting with gnuplot

I am trying to use gnuplot with pgfplots in TexShop, following on from an example by Martin H in the comments here. I can get the data points in OK, and plot them but the fit (red line) does not seem ...
3k views

### gnuplot in LaTeX, without gnuplottex

I'm using the cairolatex terminal in gnuplot to create some surface plots (pgfplots is failing the task because of its hunger for memory). As the number of plots increase, I would like to include the ...
2k views

### plot 3d graphs of functions defined implicitly

How can I plot 3d graphs of functions defined implicitly (quadratic forms, for Linear Algebra course notes -- I'd like to include lots of examples)? As far as I can see it is not possible with ...
26k views

### How can add some latex eq or symbol in gnuplot?

Gnuplot is power for plotting graph in scientific progress. I have met this problem. I want to add some commands like "$\ddot{x}$". or $\tau$ on the legend. I see some people suggest that plot [-...
8k views

### Gnuplot and PDFLatex question

I'm trying to use Gnuplot and package gnuplottex to create plots directly in LaTeX. Started with the following simple example \documentclass[a4paper]{article} \usepackage[shell]{gnuplottex} \begin{...
542 views

### Plot large data

As you all know, TikZ has to face the limits in terms of memory, that is given by the TeX compiler. For most of my plots, I have a maximum time step of around 1us and I record several waveforms over ...
2k views

### How to use GNU Plot to plot diagrams in TexShop

hope anyone can help with this... I have a very basic knowledge of TeXShop, but I need to plot some functions on it, say y=x. I learnt that this can be done by installing GNU Plot and writing in ...
112 views

### How to incorporate a TEXMF tree managed by distro's package manager when using TeX Live from upstream on a GNU/Linux system?

I am using upstream's TeX Live on a GNU/Linux system with default paths except for the use of symbolic links to facilitate switching between different versions of TL. So, for example, TEXMFMAIN is /...
6k views

### How do I change the aspect ratio of gnuplot output?

How do I change the aspect ratio of the canvas of a gnuplot plot in LaTeX using the gnuplottex package? The following changes the aspect ratio of the output but not the canvas size, thus leaving a ...
9k views

### adding gnuplot capability to latex

I have been working with LaTeX, under TeXMaker (latest version 3.2.2) for several months, and recently added PGF/TikZ capability. On that occasion I feared there would be problems as I really have ...
966 views

### Gnuplot inside LaTeX not working

I'm trying to create a gnuplot image inside my LaTeX document, but nothing is being displayed. My gnuplot works if I do it outside LaTeX. \begin{figure}[!ht] \begin{gnuplot}[terminal=pdf, ...
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 ...
12k views

### Creating colorful plot using latex terminal of gnuplot?

Most output terminals of gnuplot draw different lines in a plot in different colors. I'm trying to create a plot inside my pdf document using gnuplot's latex terminal and the lines are only ...
7k views

### GNUplot and LaTeX (linestyles)

I've just started using GNUplot to create graphs. I've been using the epslatex terminal and my issue is, when I create my graph in the wxt terminal, and then replot it in the epslatex terminal, the ...
10k views

### LaTeX formulas in gnuplot plot legends?

I would like to have my gnuplot legends set in LaTeX math mode, because they often are described by a formula. I use wxMaxima to generate the plots, but I could switch to using gnuplot directly, if ...
445 views

### First half of plots is missing

I want to draw some functions with gnuplot. It works well, but the first half is missing and I don't know why. \begin{figure}[htpb] \begin{center} \begin{tikzpicture} \begin{axis}[width=0.8\textwidth,...
7k views

### Easiest way to plot matrix image

Is there an easier way to create this in pgfplots than plotting the matrix image externally and using addplot graphics (as on p.42 of the pgfplots manual)? A mesh plot (as suggested for plotting ...
1k views

### How to use the results of raw output to create a smooth plot

As by my previous question on plotting an implicit curve I've got some output. But as you can see it is not quite what it should be (apart from your browser's downscaling by a factor 2 of course. ...
4k views

### Converting PDF to EPS results in low resolution rasterization

I have a problem with image converting for scientific manuscript. I have been using gnuplot to make graphs, using TikZ terminal, and finally generating the figure as a PDF with LaTeX. It results in a ...
3k views

### How can I setup PGFPlots to work with gnuplot?

Notes: I'm using Windows 8 and TeXworks. Also, I have never used gnuplot by itself, so I am unfamiliar with it. I'm trying to use PGFPlots with gnuplot to graph functions. I have not been able to ...
694 views

### Reversing a path in TikZ

When I use \path plot function {x^2}; in tikz, it plots it left-to-right (the default domain is -5:5). This is annoying, because, for example, one cannot pile on -- plot function {x^2 + 1} -- cycle; ...
303 views

### Why does PGFplots plot more than the desired range in a 3D plot?

I would like to plot a function in the range [-2, 2], but PGFplots keeps plotting a little bit more: Why is that the case and how do I fix it? Code \documentclass[varwidth=true, border=2pt]{...
11k views

### Good quality images in pdflatex

Generally I include images in my latex document by the command \includegraphics[scale=0.5]{image.png} However, after doing pdflatex the image quality is always very poor in the resulting pdf file. ...
828 views

### Fitting on log log axis

I try to fit data which I plotted on a double logarithmic scale. I use LaTeX and gnuplot. [It works with pdfLaTeX with adding the additional argument "--enable-write18" and directing the path of "...
1k views

### gnuplot calculated curve shifts to the left

The following code samples are borrowed from Test 1 and Test 2. My computer configuration is Windows XP SP.3 Japanese version, MiKTeX 2.9 (already updated), TeXmaker 3.5 or TexStudio 2.4 and ...
2k views

### pgfplots: post-processing data created with gnuplot

I have managed to use pgfplots' gnuplot option to solve an implicit equation: \documentclass{standalone} \usepackage{tikz,pgfplots} \begin{document} \begin{tikzpicture} \begin{loglogaxis}[ ...
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### gnuplot true standalone

Finally I have decided to go PDF. I can add pictures without EPS wrapper, and do drawings with TikZ - life is good :o) But how do I use gnuplot? For consistency I would like to use the tikz terminal, ...
2k views

### pgfplots: 3D surface plot from data with free format

I want to plot 3D data from a file (data file) using pgfplots. The data represents an ellipsoid. I want to draw the outer shell like in the following picture, just without the background and in ...
1k views

### How to set what appears as a title in a document viewer menu bar?

This is a tricky question. Say I generate an image in gnuplot using the pslatex terminal: gnuplot<plot.plt latex dummy.tex dvips -E -oimage.eps dummy where 'plot.plt' contains: set term ...
836 views

### Is there a combination of LaTeX gnuplot flowchart?

I know this is not always a good idea, but I think it might be a good idea in some situation. Is there an improved LaTeX version or something, can have the gnuplot scripts inside of the LaTeX file, ...
2k views

### label curve and/or contour name created with pgfplot via gnuplot

I will want to name different contour as one can see it on topographic card. How to do that? I want label on different curve with the parameter that distinguish the curves. I have created 10+10 curves ...
226 views

### What is wrong with this code to plot '(y^2)/2-cos(x)'?

I want to contour plot the curves (y^2)/2-cos(x)=c with the following code, but there are only straight line in the output figure. What's wrong? Any help or suggestions will be appreciated! \begin{...
847 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 ...