{plot} is for questions concerned with plotting data or functions using TeX. For questions specific to the pgfplots package, use the {pgfplots} tag.
12
votes
2answers
2k views
Is plotting exponential graphs a known source of bugs in TikZ?
I want to plot $y = 2^x$ over a small domain. Unfortunately, even though tikz (v 2.1) seems to be able to calculate 2^{negative numbers} it is not plotting them correctly.
My minimal example is:
...
23
votes
1answer
4k views
Bell Curve/Gaussian Function in TikZ/PGF
Can anyone tell me how to plot a gaussian function/bell curve using TikZ/PGF? I'm basically looking to implement something like PSTricks's \psGauss command.
17
votes
1answer
2k views
Fill between two curves in pgfplots.
How to accomplish fill between two curves in pgfplots? For example, I have
...
\addplot coordinates {(0,1) (1,1)};
\addplot file {something.dat};
...
and I would like to have filling between those ...
11
votes
3answers
2k 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 ...
7
votes
1answer
1k 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 ...
184
votes
2answers
19k views
Create xkcd style diagram in TeX
The unique style of the diagrams at xkcd has an informative but nice hand-drawn touch. I guess they are actually drawn by hand but just recently on our partner site for Mathematica someone asked how ...
14
votes
1answer
625 views
Drawing timeline
I have a dataset which consists of repeating events over time. Each event takes an arbitrary amount of time. I could plot this using gnuplot but am unable to produce correct keys because of the ...
9
votes
1answer
264 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), ...
7
votes
1answer
793 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
...
7
votes
5answers
877 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}
...
4
votes
4answers
439 views
Multiple subfigures not appearing on the same line
Multiple figures under a single caption. I have tried a code to put two images in a together under a same caption. The subfigures do not appear on the same line.
The code is :
...
8
votes
1answer
355 views
pgfplots - Placing Nodes on x Coordinates of a Plot
I want to plot some graphs in pgfplots and want to place nodes on the exact same x coordinate of the plot. The position of the note has to be set in x direction but free in y direction.
Here is one ...
6
votes
5answers
924 views
Tangents to a circle from a point outside of it (tikz)
I'm trying to plot in TikZ the two tangents to a fixed circle passing through a given point.
In some details, given an arbitrary circle centered at C with with radius r, and a point P outside of the ...
5
votes
2answers
747 views
How to plot data from a CSV file using tikz and csvsimple?
Here is a minimal example :
\begin{filecontents*}{data.csv}
a,b,c,d
1,4,5,1
2,3,1,5
3,5,6,1
4,1,4,9
5,3,4,7
\end{filecontents*}
\documentclass{article}
\usepackage[utf8]{inputenc}
...
14
votes
4answers
1k views
Plotting the solution of inequalities with WolframAlpha or Maple
I want to plot the solution of two inequalities and include them in a LaTeX paper.
I really like they way this looks: Wolfram Alpha. Unfortunately, I have no idea how to
export this into a ...
10
votes
2answers
924 views
Animated plotting with LaTex?
I am not a LaTeX pro, that's why I don't know if the following is possible and how I could do it.
I have a graphic (a plot, jpg) and it shows a time series. I know in PowerPoint it is possible that ...
7
votes
2answers
970 views
Plot reciprocal function with tkiz
I need to plot f(x) = 1 / x in LaTeX and am trying to with Tikz. I haven't found a way to set the vertical range, so the values go out of bound around x=0.
Using gnuplot directly doesn't seem to be ...
9
votes
2answers
292 views
pgfplots plots function not correct
This code
\documentclass{article}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
\begin{document}
\begin{tikzpicture}
\begin{axis}
\addplot [domain=15:30, samples=1000] ...
6
votes
2answers
230 views
How to plot a discontinuous function curve and diagram of Markov chain with TikZ?
Please apologize my ingnorance of tips to use for asking questions.
I would like to realise the plots and the diagram like those shown on page 158,
160
and 161
on this document Chaine de ...
6
votes
3answers
1k views
draw a plot with point
i try to draw something like this :
to do that i have write some code using tikz,unfortunately i dont get what i want
\documentclass{report}
\usepackage{tikz}
\usetikzlibrary{automata,topaths}
...
6
votes
1answer
876 views
error bar colors in scatter plot
A data file contains four columns: x, y, error on y, class. class is an integer which I feed to scatter src so i get a graph that has different colors for different classes. However, the error bars ...
6
votes
3answers
954 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.
5
votes
2answers
215 views
How to plot the graph below?
May I know how to draw the graph as shown below?
below is a code I have try but with look and feel that is quite far away from the example:
\begin{tikzpicture}
\begin{axis}[
legend pos=north ...
3
votes
1answer
192 views
Curve synthesis - Adding many (mostly piecewise linear) curves
It's a follow-up to a previous question. If I could have a macro out of the solution over there, it would have been great but then I couldn't make it.
The following code (to be added to the one in ...
2
votes
1answer
603 views
Two color line in gnuplot
Is there any way to plot a line graph where each series is plotted with two alternating colors? For example, say I was plotting the population of bees over time and I wanted the line to alternate ...
1
vote
2answers
97 views
Multiple Plot query under a same caption with different labales problem [closed]
I have 6 figures and I want to plot them under a same caption with different labels.
I have tried two codes for plotting but they are not working.
Codes:
\begin{figure}[htp]
\centering
...
3
votes
1answer
425 views
TikZ: plot datapoints with bars
I'm currently generating data files which have points as follows
5 1
3 2
2 1.4
...
Each line 2 values of which the first is indicating the time and the second some value. I'm currently (as I'm ...
3
votes
1answer
247 views
PSTricks---plotstyle LSM (Least Square method)
I am discovering PSTricks's plotstyle=LSM to make a regression analysis y=m x + c. Here is my code:
\documentclass[12pt]{article}
\usepackage{filecontents}
\begin{filecontents*}{data.dat}
0.0 0.0
...
2
votes
1answer
469 views
Plotting area in the plane where two inequalities in two variables hold
I would like to plot the area in the plane where two inequalities hold, both involving two variables. I would like to do it the way Wolfram Alpha does it, but within a LaTeX document. I have looked ...
