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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2
votes
2answers
162 views

problem with plotting y=tan(x)

Καλημέρα! I 'm trying to draw the curve y=tan(x). When I draw the curve at the domain (-π/2,π/2) everything is OK (see the 1st code and the image). When I draw the curve at other domains (e.g. (π/2,...
0
votes
1answer
432 views

drawing roc curve analysis

I tried to draw the roc curve with latex but i didn't find any solution. Can any one help please. My code doesn't work and i didn't find a curve like this figure. Could you help me please. Thank you ...
1
vote
1answer
66 views

Adjusting TikZ Figure

I use following script (see also here) below, to draw this figure: \documentclass{article} \usepackage{pgfplots} \usepackage{pgfplotstable} \usepackage{tikz} \usetikzlibrary{positioning} \begin{...
2
votes
1answer
33 views

Graphs using pgfplots: Failure when using x as a negative power

I'm trying to plot the decharging curve of a capacitor. The code is as follows: \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{...
4
votes
2answers
677 views

How can I create this graphic?

The picture shows a normal linear regression. Although it is easy to compute on paper, I have no idea how to code a linear regression in order to get an output shown as in the picture. I would be ...
5
votes
5answers
799 views

Plotting exponential functions

Can anyone give me a clue on how to plot this function: It can be with any package, as the ones I've tried to use don't work (pgfplots gives me TeX capacity exceeded, sorry), my attempts with other ...
1
vote
1answer
111 views

Scaling the x-Axis in a more logarithmic way

While I have found some answers for equidistant scaling, I did not find an answer which I was able to transfer directly to my problem. I have one interval going from 10^-8 to 3*10^-8 , one from 3*10^-...
5
votes
3answers
967 views

Help! How to draw the plot of y=(ax+b)/(cx+d) and give an example!

I find in pst-plot.pdf, pst-func.pdf document but there is no its tutorial. So I hope anyone help me to draw the plot of it.(its code :-)) ). Thanks. Example: y=(x-2)/(2x+1) Can anyone draw it by ...
0
votes
1answer
32 views

Specifying the proper xticks label distance

I have a Tikz plot which looks (roughly) as follows: \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{graphicx} \usepackage{hyperref} \usepackage[latin1]{inputenc} \usepackage{tikz} \...
24
votes
8answers
2k views

What are the benefits of PGFPlots/TikZ compared to importing PDF?

What are the benefits of using tools like pgfplots or tikz directly in LaTeX compared to importing PDF/PGF generated by say matplotlib? This answer believed that the main reason is to match the plots ...
4
votes
2answers
419 views

How to plot diagram like a “#” in tikz

I don't know how to plot diagram like a "#", anyone could give some tips? Thank you!
2
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0answers
129 views

Plotting errors bars with “plot” without using axis environment from pgfplots

In the axis environment of the pgfplots package there is a simple way to add error bars: \documentclass{minimal} \usepackage{filecontents,pgfplots,tikz} \usetikzlibrary{plotmarks} \begin{...
2
votes
2answers
127 views

Graphing sqrt function: not coming out properly

I have been looking at other posts and have modified my code accordingly, but I still can't get it to work. I think there is an issue that has not been addressed in any of the posts that I have found. ...
0
votes
1answer
27 views

How do I place legend keys above bars/next to lines in Tikz?

I want to follow best practices in plotting graphics using Tikz (see here http://www.eugenewei.com/blog/2017/11/13/remove-the-legend). I'd like to 'remove the legend to become one': instead of ...
0
votes
2answers
227 views

Draw a gray box with nodes

I am a new user to tikzplot. Does anyone know how to make the grey box with the nodes inside the box. Thanks
2
votes
1answer
299 views

Drawing Line Plot with uncertainty

Does anyone have an idea how to generate a graph with the 'uncertainty' area like in the picture shown: i have no idea where to start! Thanks for any inspiration! Cheers! Martin
0
votes
1answer
36 views

Plotting an elliptical arc in TikZ with minimal additional packages and as simple as possible functions

I have the above output from Mathematica that I would like to reproduce exactly in LaTeX, but I am just beginning with TikZ and do not understand the huge layers of code that are presented in other ...
1
vote
1answer
54 views

How to define vertical line correctly in axis environment?

I Would like to have three vertical dottetd lines from top to bottom to visibly divide the 4 functions. How can I do this. \documentclass[letter,12pt,twoside]{article} \usepackage{tikz} \...
1
vote
1answer
143 views

Plotting logarithm with base b in TikZ

\begin{tikzpicture}[line cap=round,,x=1.3cm,y=0.4cm] \clip(-1,-3) rectangle (12,13); \draw [domain=0.1:10 ,smooth,very thick] plot(\x, \Log{2}{3*\x}); \draw[->,color=black,line width = 0.8pt] (0,0....
2
votes
1answer
62 views

How do I draw these two lines on a X,Y graph?

I don't really know much about drawing graphs on LaTex so I am kind of lost here. One of the lines is y=-3 (a horizontal line at y=-3) and the other is y=x-3. I have as follows: \documentclass[]{...
1
vote
1answer
43 views

Pgfplots - Turn off Box when plotting a File

By default, pgfplots will draw a box around my plot. I am plotting a .dat-File with \draw table [...] {data.dat} and i want to turn that box off and just leave the x- and y-lines instead. In the ...
1
vote
1answer
51 views

Strange asymmetry when plotting identical exponents?

Instead of the expected symmetric shape: what I get from this code: \documentclass[border=5pt]{standalone} \usepackage{pgfplots} \begin{document} \newcommand{\vandbarrierdel}[1]{ \node ...
1
vote
2answers
169 views

How do I label the axis of a sinus using pi? [duplicate]

I am plotting a sinus function using a pgfplot and would like that the tick of the x axis was labeled using multiplers of pi (pi/4, pi/2, 2*pi...), for they are the "important" x values to visualize ...
3
votes
1answer
144 views

How do I create a curve on Latex?

I want to create a curve using tikz. As can be seen, the curve is made of connected lines with no rounded connection points and I would like to round off the edges. Following is my code: \...
1
vote
1answer
72 views

Connecting two functions in a plot

I'm trying to draw two horizontal lines, y = 0 and y = 1, in [0, 1], in front of the already existing plot. The intended result is: The current result is: Obtained from: \documentclass[border=5pt]{...
2
votes
1answer
417 views

Help with economics graph

I am new to LaTeX, but I need to draw this 2 period model. Thank you in advance!
4
votes
2answers
124 views

Stacked ybar plot creates additional empty y-entries

I have this code: \documentclass{scrartcl} \usepackage{pgfplots} \pgfplotsset{ compat=1.16, table/col sep=comma} \usepackage{filecontents} \begin{filecontents*}{data.csv} Type, fillA, fillC, ...
5
votes
1answer
619 views

Plotting the Lorentz Constant in LaTeX

I'm having trouble producing a graph of the Lorentz constant, defined by \frac{1}{\sqrt{1 - v^2/c^2}$ as a function of $v$. (Here, $c$ = $3 * 10^8$). I tried many examples, but I usually get "...
1
vote
2answers
108 views

How to use intersections in PGFplots as x-ticks?

I am pretty new to PGFplots, but I am already loving it very much! I want to have a plot, where the intersection of two curves or when the data reaches a certain y-value is labeled on the x-axis as ...
5
votes
2answers
82 views

tabular with xticks enabled at some plots make one plot moved

I have 4 plots arranged using tabular: \documentclass{scrartcl} \usepackage{pgfplots} \pgfplotsset{compat=1.16} \begin{document} \pgfplotsset{ height=4cm, width=\linewidth*0.5, every axis plot ...
1
vote
0answers
57 views

Placing numbers at the above and right side of the plot frame

I have the following code for a plot. I need to place numbers of x-axis and y-axis in above and the right side of the plot frame respectively. The code is \documentclass{standalone} \usepackage{tikz,...
3
votes
1answer
268 views

Fill the area included between two gnuplot contours

this is my first experience with latex plots. I want to fill the small area included between the two contour lines just like i did for the two polynomials, but i think there is some issue with the ...
3
votes
1answer
33 views

Automatically extend discrete xticks when using dates

When defining xticks in PGFplots one can say something like: xtick={0,2,...10}, to achieve ticks at 0, 2, 4, 6, 8 and 10 My x-axis has the date coordiantes definded in the pgf manual, however i ...
1
vote
0answers
225 views

Graphing probability density functions [closed]

I am writing a LaTeX document that involves the discussion of many probability mass functions (binomial, poisson, geometric, negative binomial, hypergeometric, zeta) and probability density functions (...
2
votes
1answer
192 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
0answers
54 views

Fixing “broken” peaks in 3D plot

I am currently trying to get a nice smooth 3D plot using tikz, however, I am failing to do so in only one case. The complied file is smooth in most areas, yet, in the "peal" areas, the plot gets ...
2
votes
3answers
80 views

Minipage/subfigure issue - creating a set of 4x3 graphs (12 total)

I am trying to fix a 4 by 3 set of graphs, with caption, on a .tex file. The result I want to achieve is the following: (this was done in Word. Yes, that's lame, I know.) The code for each small ...
1
vote
1answer
80 views

How do you fill the 'o' arrowhead white?

%%%%%%%%%%%%%%%%%%%%%%%% \plot [Triangle-o,smooth,very thick,domain=11:-11]{-0.1*x+1.7}; %%%%%%%%%%%%%%%%%%%%%%%%
1
vote
0answers
63 views

Extract one specific value from table/csv to draw an horizontal line

I need to add horizontal lines (asymptotes) to a plot made from a csv file, with the y-axis value taken from this last. I found an example to draw the horizontal lines \addplot [thick,black] table[x=...
2
votes
1answer
523 views

Small scale grid using Tikz

I am trying to create a grid that only has a domain between -0.8 and 0 and a range between -0.8, 0,8, with the grid not showing any positive X values. Thus far I have this: But when I try to shrink ...
7
votes
1answer
207 views

Solid region enclosed by surfaces

I'm trying to obtain the solid regions showed below for didactical purposes: I know that with psplot in 2d one can do things like that (area enclosed by two curves) and the output is very nice (I did ...
2
votes
1answer
68 views

pgfplots memory error due to specific xmax limit

I am facing a problem with setting the limits of my plot in pgfplots. The following script (from an answer here ) \documentclass[border=5mm]{standalone} \usepackage{pgfplotstable} \begin{document} \...
0
votes
1answer
131 views

Create one linear line plots from each row of data in table

I have a table where the data has the following format: | x | y | dydx | |------|------|-------| | x1 | y1 | dydx1 | | x2 | y2 | dydx2 | | x3 | y3 | dydx3 | I want to create a ...
1
vote
1answer
66 views

Two plots with different ranges in a single plot

I have two plots with different ranges. I want to draw them in a single plot, but if I do so the plots do not show the small fluctuations of each graph. I write: \documentclass[tikz,border=0.5mm]{...
4
votes
1answer
347 views

How to plot a function and its derivative

How can I plot this with \begin{tikzpicture}? the red line should be the derivative at x_0 Pls help :) Thanks!
3
votes
2answers
212 views

To Shade the Area Between $x^2$ and $\sqrt{x}$

I want to draw the following image in tikZ Basically I want to draw the boundary of the unit square, plot the x^2 and \sqrt x functions, and shade the area between them. In my attempt to draw the ...
2
votes
1answer
110 views

3d plot with absolute value function with pstricks

I would like to reproduce the plot given in picture. The function (with known a and c) is a(x^2+y^2+z^2)+(1-a)(abs(x)+abs(y)+abs(z))=c where 0<a<1, c>0 How can I do this?
9
votes
1answer
363 views

Random points in a rectangle

I have made a graph as shown in the following figure: For each rectangle I'd like to generate n random points in it, is it possible? My code: \begin{tikzpicture} \begin{axis}[ grid=major, ...
1
vote
2answers
210 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 ...
0
votes
2answers
955 views

TikZ: Plot contour lines

I have a (continuous) function on the real plane (e. g. f(x,y)=x^2-x*y) and want to draw contour lines (e. g. f(x,y)=-1, f(x,y)=1 etc.). Furthermore, I want to adjust the region where to do this (e. g....