3
votes
3answers
132 views

Plotting functions and denoting equation on the figure

How can I plot the functions P=20-1/5*Q and P=5+1/9*Q so as to find the equilibrium point? The figure I need is like the following: Furthermore, how could I put the equation on each ...
4
votes
2answers
185 views

Graph not properly rendered in tikz

I have the following data in data.dat file . TA | OP 6 | 20 17 | 24 18 | 17 19 | 17 22 | 19 33 | 27 19 | 28 13 | 18 24 | 16 19 | 19 9 | 18 21 | 22 16 | 10 19 | 12 ...
4
votes
1answer
156 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 ...
0
votes
1answer
78 views

How can I align 2 plots vertically?

I have two plots with tikzpicture above each other. (they have quite difficult text files as source, so I can not show them here). The plots have the same width, the problem is that the legend is ...
9
votes
3answers
197 views

How can I move a single node in a tikz plot?

I can't find an answer online, please help me. The following plot shows the percentage of 3 groups. The red line is the average (and needs to stay at 13.8). How can I move ONLY the node "2.9" a ...
3
votes
1answer
60 views

TikZ: Replacing the values (labels) on x-axis with names

I managed to create a simple linear plot with pgfplots-manual (chapter 4.5.1) Now I want to replace the values of x-axis (1,2,3,4) with text, e.g.Test A, Test B, Test C, Test D. How can I do such a ...
3
votes
3answers
177 views

Problem aligning multiple pgfplots due to different axis label sizes

I have two plots that comes back to back in my paper. One of these plots is generated from 1000 data samples while the other one from 320. The problem that I'm, facing right now, is that plots are ...
1
vote
0answers
112 views

Incomplete parametric curve, ''written letter e'' [closed]

I have tried plotting some parametric curves like (x^3-3*x,3*x^2-9), and it works fine. The following, however, does not work: (x-x/(1+x^2),1/(1+x^2). I have tried several ways of plotting it but the ...
10
votes
1answer
386 views

Draw a spiral on a sphere

My goal is to visualize damped magnetic precession. Wikipedia features an image, but it doesn't quite capture one essential constraint. Namely, that the magnetization M should be normalized. So the ...
4
votes
1answer
130 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. ...
3
votes
1answer
121 views

My personal TikZ template to be easily changed

Every time I need to plot a simple function (eg. a parabola), I use a self-made TikZ template that is: \documentclass{minimal} \usepackage{pgfplots} \pgfplotsset{/pgf/number format/use ...
5
votes
2answers
187 views

Error: “Dimension too large…” when plotting EXPONENTIALS with TikZ

Despite having read answers to 4-5 relate questions, I still can't get why my code does not compile. Here it is: \documentclass[11pt,twoside]{book} \usepackage[paperheight=24cm, paperwidth=35cm, ...
8
votes
1answer
140 views

pgfplots: wrong domain, wrong axis, uncentered graph… is it a bug?

Question I get a very strange graph with pgfplots, see the picture below. What is going wrong? Code and picture \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} ...
4
votes
2answers
186 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 ...
7
votes
1answer
110 views

Tikz: Correct arrows at the end of parametric curves?

\documentclass[11pt]{amsart} \usepackage{tikz} \begin{document} \begin{tikzpicture} [scale=4] \draw[domain=0:0.4, smooth, variable=\t, samples=200, ->] plot({(1/sqrt(2)*(\t-\t^3)}, ...
1
vote
1answer
99 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
129 views

Draw a surface from scattered curves

I have a few curves determined by some points. I need to plot the surface that they determine. That is, I have this \begin{tikzpicture}[scale=0.8] \begin{axis}[% width=12cm,height=12cm, xmin=0, ...
7
votes
1answer
198 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={$J_1$}, ...
2
votes
1answer
165 views

Simple Line-Plot with date on x-axis

I need to do a really simple line plot and my data is looking like this: Date Value Apr2013 0.06 Mai2013 0.08 Jun2013 0.1 Jul2013 0.2 Aug2013 0.4 Sep2013 1.5 Okt2013 2.0 Nov2013 4.1 Dez2013 8.1 ...
4
votes
1answer
431 views

How can I import and scale matplotlib plots, keeping fonts the correct size?

I'm working on several pieces of coursework involving lots of plots generated with matplotlib in python scripts. Currently I'm doing this with an iterative process where I set a plot size in the ...
2
votes
2answers
157 views

precision in xy axis in tikz

I have this code \begin{tikzpicture} \begin{axis}[% width=\figurewidth, height=\figureheight, scale only axis, xmin=0, xmax=1.5e-05, ymin=1.222e-07, ymax=1.224e-07 ] \addplot [color=red,line ...
0
votes
1answer
121 views

Generating plots in a simple way

Yesterday I learnt how to make simpe plots using tikzpicture and I'm very satisfied of the result: \begin{tikzpicture}[thick,scale=0.6] \begin{axis}[ xlabel=$\delta$, ...
10
votes
1answer
193 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} ...
19
votes
8answers
874 views

Plotting Weierstrass function

I'm trying to plot Weierstrass function using only basic TikZ picture functionality (no gnuplot or whatnot). How do I use sum in a \draw? Do I have to make a new command? Use a loop? An alternative ...
2
votes
1answer
168 views

How to exclude negative values from plot of PGFPlots package?

I'm plotting bar plot using this code: \documentclass[tikz,12pt]{standalone} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} \usepackage[english]{babel} ...
2
votes
1answer
604 views

Adjusting Vertical and Horizontal Space between nodes in tikz flow chart

I got the following flow chart diagram in tikz. MWE \documentclass{standalone} \usepackage[latin1]{inputenc} \usepackage{tikz} \usetikzlibrary{calc, shapes, arrows, positioning} \begin{document} ...
4
votes
1answer
123 views

Plot 2-D data point in just one plan

everyone! I have got a little problem trying to draw in LaTeX. Let me try to explain: I have a xyz-axis, as you can see on the figure below. Plotting any 2-D data point graph in the xy-axis: ...
3
votes
2answers
220 views

Problem with tikz plot in beamer

I'm trying to plot a function using this code \begin{tikzpicture} % Draw the log-normal distribution curve \draw[blue,smooth,thick] plot[id=f1,domain=0.001:6,samples=50] function ...
6
votes
2answers
747 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}[ ...
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} ...
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
176 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 ...
7
votes
3answers
730 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
1answer
596 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
236 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
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} ...
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} ...
5
votes
3answers
246 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} ...
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
266 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 ...
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
877 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
208 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 ...
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
237 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 ...
3
votes
1answer
501 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 ...