{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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4
votes
0answers
88 views

Table vs Plot: How to print table of values, with colors representing values

In an effort to collect knowledge that will ultimately allow me to answer this question, I am seeking a way to generate a table where numeric values are plotted as cell-filling colors. The color ...
16
votes
2answers
804 views

How can I produce a graph from a table?

What I want to do is plot a graph for a given data set. This must be simple to do, but I just cannot find a simple explanation of how to do it... I have the following table (no problem so far): ...
2
votes
2answers
124 views

Linewrap in legend in pgfplots [Solved]

I try make plot with long text in legend. \documentclass{report} \usepackage{pgfplots} \pgfplotsset{ every axis legend/.append style={at={(0.5,-0.13)},anchor=north,legend cell align=left}, tick label ...
7
votes
1answer
290 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 ...
3
votes
2answers
296 views

Bar chart from CSV file with adjustable bar width

I have a CSV file with approximately 1500 records that I would like to plot using something like a bar chart, but I don't know where to start at all. Each record contains a width and a height, which ...
6
votes
2answers
745 views

Draw angle between two lines in a circle

I'm trying to draw an angle between two lines. I have this code so far, but i cant draw a angle. How do I do it? I'm using PGF/TikZ. \begin{figure} \begin{tikzpicture} \begin{axis}[ ...
5
votes
1answer
106 views

Plot using pgfplots from a text file in long form (vs wide form)?

In the statistical programming language R, there are two different forms to represent data. The wide form looks like the following: subject time age weight height 1 John Smith 1 33 90 ...
4
votes
2answers
229 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 ...
5
votes
1answer
142 views

Plotting graph and data with PSTricks: Wrong scaling

Consider the following code: \documentclass{article} \usepackage{pst-plot} \begin{document} % options \psset{ xunit = 5, yunit = 50 } % constants. \def\masse{0.183276667} % kg ...
6
votes
1answer
326 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 ...
6
votes
1answer
92 views

Strange result in plotting data using pgfplots

I'm trying to plot this: \begin{tikzpicture} \begin{axis}[ height=5cm, width=\linewidth] \addplot[smooth,blue] plot coordinates { (27,177) (28,223) (29,240) (30,227) ...
5
votes
1answer
195 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} ...
3
votes
1answer
101 views

Best way to produce a graph similar to one generated by Maple

I wish to produce the following graph from Maple in my Latex document, here is my Maple code: p := x -> ...
2
votes
2answers
194 views

Why does tikz not plot this even function correctly? [duplicate]

Can someone provide an explanation and a fix for the fact that my plot is not what is expected? The function is symmetric with respect to the y-axis. The plot correctly shows the function for positive ...
2
votes
1answer
175 views

Save TikZ plot points calculated with PGF math library to .table file?

Is it possible to let TikZ save and in subsequent compilation runs use the plot points generated with the PGF math library? A (simple) example of such a function plotted that way is: ...
4
votes
2answers
184 views

Can not plot x^4, sqrt(x) or x^3 + 5x^2 using pgf/tikz

I have recently started using LateX, and I am beginning to use pgf/tikz to create plots. But I have encountered some problems with the functions stated above. I can plot the function f(x)=x^3, but ...
1
vote
1answer
75 views

pgfplots tick lines are behind const plot

The tick lines in the plot are in a layer behind the actual plot. Have a look at this example below: \documentclass[11pt, oneside]{article} \usepackage{tikz} \usepackage{pgfplots} \begin{document} ...
7
votes
3answers
728 views

Weird result plotting sin(x) using tikz/pgf [duplicate]

Trying to plot the sin(x) function, I get this result: The MWE is here: \documentclass{standalone} \usepackage{ pgfplots} \begin{document} \begin{tikzpicture} \begin{axis} ...
5
votes
4answers
394 views

How to plot a curve in a polar form r = f(Θ)?

Can we use LaTeX to make the graph of $\rho = \sec(\theta)$?
5
votes
1answer
594 views

Plotting semilog plot with pgfplot

I am trying to graph frequency response of certain filters. This is the code I currently have: \begin{tikzpicture} \begin{semilogxaxis}[xlabel=Frequency, ylabel=Gain, xmin=1, xmax=20000, ymin=0, ...
5
votes
1answer
235 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}}; ...
4
votes
1answer
224 views

Superposing histogram and barplot (with transparency)

I'm having troubles when I try to plot in the same graph a bar plot and an histogram. This is my MWE (you can find my data set at the end of the post). \documentclass{standalone} ...
5
votes
1answer
214 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} ...
4
votes
1answer
303 views

Missing bars in pgfplots histograms

I have a problem with pgfplots, when I try to plot some data from a file. I use the following code \begin{figure}[p] \centering \begin{tikzpicture} \begin{axis}[ybar ...
14
votes
5answers
1k views

How to plot x^(1/3)?

I tried to export my Geogebra graphs into tikz-code. In General it works fine, but plot x^1/3 doesn't work: \documentclass[10pt]{article} \usepackage{pgf,tikz} \usetikzlibrary{arrows} ...
0
votes
1answer
260 views

Special characters in knitr generated figure caption

I would like to pass special characters and formatting with the knitr generated captions. I am trying to understand two things: 1) Is it possible to pass LaTeX syntax through the caption? 2) How ...
2
votes
0answers
150 views

Automatically generated plots with Mathematica

I am currently using Mathematica to generate several plots later included in a LaTeX document. The process of exporting each of the graphs to eps/pdf and including these in the document is quite ...
5
votes
3answers
244 views

Why must the independent variable of a function to be plotted be a macro in TikZ?

Consider the following code (taken from Jake's answer) and focus on the variable of the function to be plotted. \documentclass[border=5pt,tikz]{standalone} \begin{document} \begin{tikzpicture} ...
4
votes
1answer
482 views

Bar plot with error bars and two data rows

I am already close to the solution I'm searching for. I want this graph http://tex.stackexchange.com/a/35749/38544 with two data rows. Thus I took the code, duplicated the addplot-section and removed ...
8
votes
0answers
133 views

Is there a better way to display this information? [closed]

I have drawn this picture in tikz. Is there a more visually pleasing and intuitively appealing way of displaying this information? I feel what I have drawn is dull and boring. I have to include more ...
11
votes
1answer
265 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 ...
0
votes
0answers
28 views

How to prevent plots being printed out of document's sections? [duplicate]

I am preparing a document using knitr in which I have multiple charts within two or more sections. The majority of the plots is printed at the end of the document but I would like them to stay within ...
5
votes
3answers
255 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 ...
1
vote
0answers
71 views

How to set a shaded area around 2d plot curve on a pgfplots figure? [duplicate]

I plotted a 2d figure of a curve but I also want to show variance of the value with a shaded area around the curve line. How can I do it in pgfplots? Here is my current plot.
10
votes
2answers
587 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 ...
3
votes
2answers
229 views

Plot from scratch (without explicit data)

I'm trying to draw a plot which I've been given in a scan: What is the correct way to plot a custom shaped curve --- a freehand tool counterpart. I used quick curve but it's hard to tell extremum ...
2
votes
1answer
164 views

Adding extra ticks based on sum of ybar stacked

I am trying to add minor yticks on my axis based on the end values of a ybar stacked plot. Here is where I'm at: \documentclass[tikz]{standalone} \usepackage{pgfplotstable} \pgfplotstableread{ Year ...
8
votes
1answer
873 views

Problem with a TikZ/Geogebra plot of an exponential function (even if using CVS version definition)

I wanted to graph the function f(x)=(-1+4x^2)*e^2 in a coordinate system. Using "Export Graphics View as pgf/TikZ" in Geogebra I got the following code (here shown after I did some minor changes ...
3
votes
2answers
207 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 ...
2
votes
1answer
464 views

Example code of PSTricks in MikTeX

everyone, in the past one hour, I have been fighting with the PSTricks package in MikTeX. I found a lot of example code here. For example, I downloaded the gliding ball example tex and I ran it in ...
2
votes
2answers
137 views

How do I group curves in 2-D plots with pgfplots

In the above image, you can see that there are 4 curves. I have two techniques (black and red). I test them on two different experimental scenarios. So corresponding to each scenario, I get one red ...
3
votes
0answers
172 views

Using TikZ with DokuWiki

I am using DokuWiki to write my notes. The one thing that I am missing is the ability to plot. I would like to use TikZ to fill this need, but I have been unable to get exactly what I want. I am using ...
2
votes
2answers
235 views

Binary Sector overlay diagram in a radial plot

I am analyzing some data from a system that can have some binary configurations. I thought that a good strategy would be to visualize the output as a radial plot and overlay its binary configuration ...
8
votes
3answers
540 views

Create heatmap with PSTricks or TikZ

I have a huge amount of 2D-coordinates, associated with a value, e.g.: x | y | value 27.50 52.15 12.51 61.83 13.32 57.56 36.23 21.83 41.73 40.46 85.67 25.20 ... The data is ...
2
votes
1answer
166 views

Knitr plotting outside margin

I like the look of plots that extend beyond the margins \documentclass{article} \usepackage{lipsum} \usepackage[demo]{graphicx} \begin{document} \begin{figure} \centering ...
3
votes
1answer
499 views

How to set Tikz scatter marker weight?

I'm using tikz to produce scatter plots as shown in this question. I can define the marker size with \tikzset{mark size=8} but now I'm looking for a way to make the line of the marker thicker in a ...
3
votes
1answer
232 views

tick mark/range problem on graph generated using TikZ

I'm having a little difficulty getting a tick mark on a graph generated using TikZ to appear correctly. The code is below and the problem can be seen in the vertical axis of the second graph (b). How ...
7
votes
1answer
590 views

Graph showing functions over the same x and y ranges

I want to draw functions and have used this code. But I don't like to give every function a separate domain, I want to say this function has ymax=4 and ymin=-3. Who can help me? ...
0
votes
0answers
25 views

defining a new line style in pgfplots [duplicate]

The default line styles (dotted, dashed) are not enough for my plot using the pgfplots package and I want to create more line styles without adding the "mark" option. How can I create new line styles ...
1
vote
0answers
32 views

x axis domain/range in a plot [duplicate]

Please consider the following code of a plot and its result. What I want to be shown in the plot is the actual values of the x axis i.e 1000, 5000, 10000 and not 0.1*10^4, 0.5*10^4 , 1*10^4 to be ...