{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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2
votes
2answers
212 views

drawing convex envelope of a function

I am writing an introductory chapter to my thesis report. I want to add a figure that illustrates the convex envelope of a function no matter what function, though, it has to be continuous. I'm not ...
2
votes
0answers
78 views

Creating Tikz Legends in the Caption

i'm having a few issues with creating a legend in the caption of an image. I've made a lot of graphs using matlab2tikz and i've externalised them to reduce my compiling time and memory usage. ...
6
votes
2answers
134 views

Scale the Axis in Tikz

I have the following problem: \begin{center} \begin{tikzpicture}[scale=0.5, >=latex] \draw[->] (-6,0) -- (6,0) node[right] {\scriptsize $x$}; \draw[->] (0,-5) -- (0,15) node[above] ...
4
votes
1answer
1k views

Scatterplot with data from CSV file and trendline

I have created a scatterplot with code from this previous asked question. \documentclass[varwidth=true, border=2pt]{standalone} \usepackage[utf8]{inputenc} % this is needed for umlauts ...
2
votes
1answer
141 views

How can I make concentric circles as grid for a polar plane?

But I need to delimitate the circles for x, y in [-2,6]. \begin{tikzpicture} \draw[yellow!10, fill=hkvbluelogo!5](-2, -2) rectangle (6, 6); \foreach \s in {0, 1, 2} { \draw [lightgray] (0,0) circle ...
0
votes
1answer
38 views

Plotting with literals

I can plot functions with numbers using pgfplots but how can I plot something like the next image? The curved part corresponds to an exponential with negative argument.
3
votes
1answer
146 views

Tikz - Rotated Gaussian

I would like to plot a rotated curve (gaussian) but I've got no idea how. I searched in the internet and found that I have to define the gaussian curve because it's not included. But how can I plot ...
7
votes
3answers
448 views

How can I plot the F distribution

I wish to plot the F distribution by declaring its density function. However with the following code I get an error saying that fdst has not been declared: \documentclass[border=5mm]{standalone} ...
6
votes
1answer
271 views

Plotting multiple lines with a colormap in pgfplots

I have a similar question to Steve Hatcher from this thread: Spectrum colormap for multiple curves I have a data file (mwe_data.txt) which contains multiple columns. The first column is the x-axis, ...
1
vote
1answer
176 views

Tikz plot not precise enough

In the plot pictured below the two curves should cross at (4,3) but they do not. Is there some way to fix this? I tried to load the fixed point arithmetic library hoping to increase precision but the ...
4
votes
1answer
239 views

Plot a linear function with pgf plot?

Hi I would like to plot a graph of load voltage vs load current, I have been trying to do it with a tikzpicture, but wonder if maybe it can be done with a tikzplot? The bellow code is sort of what I ...
0
votes
1answer
36 views

how to make a plot with consecutive numbers in x and y axis?

I made this plot but I want consecutive numbers from 1 to 10 in the labels for the x and y axis. The current plot shows 0 then jumps to 5 and 10. \tikzpicture \begin{axis}[ axis y line=center, axis ...
5
votes
3answers
1k views

How to generate a simple cartesian plane system?

I need to make a cartesian plane for plotting the straight line joining the points (-3,1) and (6,-2). This is a very simple cartesian plane plotting. When I looked at the manual for tikz the graphics ...
7
votes
3answers
861 views

tikz plot of two sine waves, showing the phase difference

What I am trying to achieve here is to plot two sine waves, and with some dotted lines on the peaks showing a \Delta t in the middle, as the phase difference. Any help appreciated.
1
vote
0answers
90 views

What do you use for plotting? [closed]

I use Latex now for about two years and have written a couple of larger documentations with it. When it comes to plotting (simple or complex, functions or data) I used gnuplot or R. The later more and ...
0
votes
0answers
129 views

Visualizing Cluster Data

the question in the headline is formulated very abstract, because I am still not sure what the best way of visualizing the Data I have is. The problem is that I have two mappings of a dataset which ...
4
votes
1answer
123 views

Changing axes' origin adds weird whitespace

I would like to display points in a Tikz picture, whose y components are all negative. That is per se no problem, but I want the y axis to be a bit higher than the x axis to emphasize the negative ...
4
votes
1answer
139 views

Draw plots with tikz

I would like to do the following graphic in tikz. But I do not konw how to proceed... How could I do that? EDIT So far, I have tried simpler things (before getting to this bigger problem). I have ...
4
votes
1answer
146 views

pgfplots: symbolic coordinates with line skipping

I am trying to skip lines inside the symbolic X coordinates of the following pgfplots Bar Chart : \documentclass[a4paper]{article} \usepackage[utf8]{inputenc} \usepackage{color} \usepackage{amsmath, ...
4
votes
2answers
574 views

Plotting a function in Latex

How do you draw functions that look like this? I apologize for not providing you with an attempt to solve this problem - I am a second-day user of Latex. Greatly appreciate your help. ...
2
votes
1answer
75 views

How do I arrange 2 subfigures on top of 1 subfigure?

I'd like the arrange these figures so there are two figures next to each other and one below, like an upside down triangle, so that they all fit on one page and are a reasonable size. How do I do ...
2
votes
1answer
240 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 ...
9
votes
1answer
3k views

How do I stack two figures on top of each other, rather than side to side?

I'd like my figures to be one on top of the other, rather than next to each other, so that they are larger and spread along the page width. How do I do this? Here is my code: \begin{figure}[H] ...
2
votes
1answer
295 views

pgfplot: how to render 3dplot with colors black, white and gray

I my previous question, I rendered a 3d plot, but as I want to print my plots they should be in black, white or gray coloring format. How should I change the coloring scheme? ...
5
votes
5answers
303 views

How to plot a complicated multi-variable function in a tex document automatically, not just importing an image

I have the following Tex functions and I want to plot them in my tex thesis, but I don't know how. I mean, I want the Tex to draw the function, not just to include an external image to it. ...
3
votes
3answers
266 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
265 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
331 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
227 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
320 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
417 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 ...
0
votes
0answers
53 views

How to draw linear inequalities in LaTeX [duplicate]

I want to draw the following inequalities in LaTeX. This set of inequalities define a region. I want to plot this set of inequalities. How can I do this? I want to achieve something like this. ...
1
vote
0answers
144 views

how to create scatter of points?

I am going to teach econometrics soon and as some of you might know, there is this concept of regression where we try to fit a a best plot on the data. I know how to make a graph with just one point ...
4
votes
3answers
905 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 ...
4
votes
1answer
191 views

How to print without the image

I want to print a document without print the images too: just the position of them so the printer make the process faster (I have some big image and i don't want to spend ink and time to print them). ...
7
votes
2answers
389 views

Nodes near coord overlapping…how to shift up

I am using nodes near coords but as you can see the values on the bottom are overlapping. I have tried placing them manually but that hasn't worked either...How to just shift up the nodes so they do ...
5
votes
2answers
293 views

Fourier Spectrum conversion from 3D to 2D

I am delighted to have the link ORIGINAL LINK However, I have modified the graph to suit my purpose but it's still in xyz-plane. Actually, I want to have the same graph in xy-plane. My MWE is as ...
36
votes
2answers
1k views

How can I draw nomograms in LaTeX?

What is a nomogram “A nomogram, also called a nomograph, alignment chart or abaque, is a graphical calculating device, a two-dimensional diagram designed to allow the approximate graphical ...
1
vote
0answers
32 views

Axis Labels for Ridge Trace Plot

I am trying to customize the axis labels for a ridge trace plot but the labels aren't showing up when I compile. How do I get these labels to work? \begin{center} ...
1
vote
0answers
150 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
642 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 ...
2
votes
1answer
154 views

How to change linewidth for symbols from plotstyle=dots in pstricks?

With the help of plotstyle and dotstyle one can realize scatterplots in pstricks. In the case one selects plotstlye=dots and dotstyle as +, o, otimes or similar one obtains little symbols drawed at ...
5
votes
1answer
300 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. ...
2
votes
2answers
157 views

How to plot BARPLOT in LATEX

I would like to plot Barplot in latex. here is my data..... name S1 S2 john white 912 800 alan ket 484 400 halen koo 309 250 daren kalig 291 280 arif butt 192 ...
4
votes
1answer
297 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 ...
2
votes
1answer
324 views

Plotting .dat file

I'm looking to plot a simple plot with data I've taken from MATLAB in a .dat file format. The file has two columns in the order shown below. I would like column 1 to be x and column 2 to be y. I've ...
7
votes
2answers
217 views

Why does a plot of a reciprocal function using pgfplots look wrong?

I am trying to plot the function 1/x^2 but the result is obviously wrong, here is how it looks like here is the code \begin{center} \begin{tikzpicture} \begin{axis}[ %xlabel=$x$, ...
6
votes
3answers
4k 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
182 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
288 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 ...