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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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6
votes
2answers
283 views

Area Bounded by 4 Curves

I would like to plot the area bounded by the following four curves: x^2 - y^2 = 4 x^2 - y^2 = 1 xy = 1 xy = 2 I'm fond of pstricks but tikz is fine too, whichever is simpler would be best. I tried ...
4
votes
1answer
1k 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} \usepackage{...
4
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 ...
3
votes
1answer
1k views

Plotting hemisphere using tikz

Can anyone help me with the plotting using tikz? I would like to plot the figure below in tikz but I do not know where to start. I have checked the examples given using "ball", yet I cannot find ...
1
vote
2answers
590 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
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
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
1answer
5k 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}...
7
votes
2answers
1k 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 Markov. ...
6
votes
2answers
1k views

XYZ Coordinate System Drawing

I am beginner and I'd like to know if it is possible to recreate this image in Latex. I've tried to find some examples to help me, but I didn't succeed. Thanks in advance
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 ...
5
votes
1answer
2k 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
2answers
719 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 ...
5
votes
1answer
781 views

How to add secondary non linear scaled x-axis (1/x) for same data that does not align to linear scale (x) ticks

I want to plot Wavelength and Wavenumbers of one Dataset to one tikzpicture. I found stackexchange: How to have linked axes on plots? but I DONT want to have both axis-ticks aligned to same position. ...
4
votes
1answer
408 views

Coordinate System in Tikz with plottet with one equation

I would like to have this coordinate system (with numbers on the axes): I know how to make it in Tikz; but the numbers on the axes are missing and I would like to add a plot: \documentclass[border=...
4
votes
1answer
928 views

Pgfplots: Generate points randomly

I have a very simple pgf plot, like this: \pgfmathdeclarefunction{gauss}{2}{% \pgfmathparse{1/(#2*sqrt(2*pi))*exp(-((x-#1)^2)/(2*#2^2))}% } \begin{tikzpicture} \begin{axis}[ height=4cm, ...
4
votes
4answers
2k views

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

Can we use LaTeX to make the graph of $\rho = \sec(\theta)$?
3
votes
1answer
703 views

Creating performance profiles

A performance profile is a kind of plot used in the optimization community; here below is an example from http://www.gamsworld.com/performance. For an introduction, see Section 22.4 of Higham and ...
3
votes
2answers
191 views

Duplicate irregular lines

I want to create two irregular lines, one on top of each other, that follow the same pattern. Following an answer from @vialrogo on the post Drawing randomly ragged lines in technical drawings I got ...
2
votes
1answer
1k 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 ...
2
votes
1answer
189 views

sketching a polar curve using tikz and orientation counterclockwise

I would like to modify the code below so that Can I indicate the counterclockwise directions with arrow -- from O to B -- from B to A -- from A to O Also, 2. Can we indicate theta_1 and theta_2 ...
1
vote
2answers
209 views

Function plots - objective comparison for choosing between tikz data-visualisation and pgfplots [closed]

I am writing my PhD thesis now, and want to plot some results (mainly the evolution of various simulation quantities on y-axis against time on the x-axis). I estimate to have around 50 such plots in ...
1
vote
2answers
299 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 \...
0
votes
1answer
336 views

How can I make an interval plot?

Any one knows how can I draw this kind of interval plot and what package can I use? Note that in my case I want to be able to use intervals in a way that a bar is plotted from a to b, and then from c ...
14
votes
1answer
3k views

Why (\x)^2 and \x^2 produce different results in Tikz plot? [duplicate]

(\x)^2 will plot correct parabola, while \x^2 will have negative x branch upside down. Why () are required for this formula to work? \documentclass[10pt]{article} \usepackage[utf8]{inputenc} \...
12
votes
3answers
2k 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] {4*65*sin(0....
6
votes
1answer
2k 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? \begin{tikzpicture}[...
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 ...
5
votes
2answers
971 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
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
1answer
155 views

How to generate a xy diagram with multiple grouped data sets?

Based on the answer of Stefan Pinnow in 'How to group several charts into one chart?', I tried to generate a diagram with multiple grouped data. Therefore, I modified the diagram but I have some ...
5
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={...
5
votes
2answers
194 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 ...
4
votes
1answer
579 views

Opacity for pst-3dplot object

How can the opacity of a pst-3dplot object be set to be transparent? I have an example where using opacity or strokeopacity options do not work. I am trying to make an image similar to the following: ...
3
votes
0answers
180 views

Plotting a function with singularities in TikZ/pfgplots [duplicate]

Essentially I want to plot a function with singularities like $\frac{1}{(x-0.5)^2+(y-0.5)^2}\cdot \frac{1}{(x+0.5)^2+(y+0.5)^2}$ at a higher sampling rate. I tried to avoid the singularities by ...
3
votes
1answer
6k views

Drawing lines in a plot and give them a label?

I am on my first adventure in plotting with LaTeX. I managed to get my bar chart plotted. I have two groups of values for which I want to show the average. I intend to put a horizontal bar over the ...
3
votes
1answer
560 views

Pgfplots: One Colorbar, two scales

Is it possible for one colorbar to have two different scales? Like mentioned in this question: Matlab colorbar with two axes? I'm trying to include two heatmaps with a colorbar in the center. As both ...
3
votes
1answer
360 views

tikz does not plot correctly

@Jake: this is the whole document \documentclass[11pt, a4paper]{book} \usepackage{amssymb} \usepackage{amsmath} \usepackage{amsthm} \usepackage{tikz} \usepackage{pgfplots} ...
3
votes
1answer
481 views

Write a value near a coordinate in a plot

I want to do it from a file, rather from inside the document like I do it now: \documentclass{standalone} \usepackage{pgfplots} \pgfplotsset{compat=1.9} \begin{document} \begin{tikzpicture} \...
3
votes
1answer
520 views

how can plot mesh from a data file?

i want plot a 3d mesh plot from a data file .the tex file can be run but it's output is wrong. please help me. \documentclass{article} \usepackage{tikz, pgfplots} \usepackage{pgfplots} \begin{...
3
votes
1answer
2k views

Best program for 3D plotting for LaTeX [closed]

I'm cross-posting this (also on Mathematics stack exchange, but not really getting the answers I'm looking for, so thinking I may have posted in the wrong community originally). I've hit a roadblock ...
3
votes
1answer
499 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: \begin{...
3
votes
2answers
3k views

latex code for graphing rational function

I've seen in TikZ and pgf Manual for version 1.18 a code for graphing some functions but it does not provide an example for a rational function. Can someone help me graph $x+\frac{1}{x}$?
3
votes
1answer
151 views

Monetary Values on tikzpicture axis

How can I get the following; (a) The euro sign in front of each axis label. (b) Every number to two decimal places, so 145.50 appears as 145.50 rather than 14.5 \documentclass[12pt]{article} \...
3
votes
1answer
646 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
771 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 ...
3
votes
1answer
109 views

How to fill the intersection among four curves?

In my problem, all curves are plot from data instead of explicit function. And what I want to do is to fill those little curved rectangles with different colors. How could I do it? Here is the tex ...
2
votes
3answers
214 views

TikZ PGF: How to hide parts of 3D graph when lower than surface?

Assumed we have this kind of 3D surface: Minimum Working Example: \documentclass[tikz]{standalone} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[zmin=0,zmax=0.5,...
2
votes
1answer
2k views

How can the size of an epslatex terminal plot with gnuplottex be altered?

Are there any other options to set the size of a plot with the epslatex terminal of gnuplottex than the scale option? I noticed that pgfplots doesn't have this effect, but for continuity I want all ...
2
votes
0answers
58 views

Plot data points with 'linespoints' but lines should have gaps [duplicate]

I have asked following question on stackexchange regarding a gnuplot solution: Plot data points with connecting lines but which leave gaps. The question is about using following linestyle for data ...