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.

1
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0answers
53 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
213 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
30 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
183 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
150 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
51 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 ...
0
votes
1answer
32 views

Only one point visible with pgfplots

I am trying to display multiple plots with pgfplots, but only one point is displayed (with a lot of overlapping) : And the latex : \documentclass{article} \usepackage{pgfplots} \pgfplotsset{width=...
1
vote
1answer
61 views

How do you fill the 'o' arrowhead white?

%%%%%%%%%%%%%%%%%%%%%%%% \plot [Triangle-o,smooth,very thick,domain=11:-11]{-0.1*x+1.7}; %%%%%%%%%%%%%%%%%%%%%%%%
0
votes
2answers
526 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....
1
vote
0answers
60 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
328 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
166 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
164 views

Multiple plots under a same caption error

I want to plot multiple figures under a same caption but the code doesn't work. This code doesn't appeared in plot: \begin{figure}[htp] \centering \subfloat[a]{% \...
2
votes
1answer
60 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
114 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
60 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
222 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
200 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
99 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?
31
votes
2answers
10k 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: \...
9
votes
1answer
300 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
176 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
51 views

Generate path for \includegraphics with if-else macro

I would like to have a single option/macro (true/false or similar) that determines, from which folder to choose plots. There's only 2 folders for each plot. Mainly need this to switch between low ...
1
vote
0answers
61 views

Set size of \datavisualization

I am trying to plot the function using \datavisualization like this \datavisualization [school book axes, visualize as smooth line, y axis={label}, x ...
3
votes
0answers
85 views

pgfplots - filldraw disappears after adding plot

I have some plots in my graph and want to mark a special area with a square. Here's what the plot looks like: \begin{tikzpicture} \begin{axis}[axis lines = left, xlabel = {Player 1}, ylabel = {...
4
votes
2answers
425 views

Plotting a recursive defined set of functions with conditional base function

I'm trying to visualize the construction of B-Spline functions by showing step by step how the curve is created. This involves painting curves similar to these: The function that creates the curve, ...
3
votes
4answers
481 views

Plotting Hermite polynomials

I prefer to plot the first five Hermite polynomials through \draw command (not through the \axis command). There is no problem with the first three ones, but sketching the last two polynomials is not ...
3
votes
1answer
162 views

Plot 8th roots of unity on complex plane with PGFPlots

This is what I currently have \begin{figure}[h] \centering \begin{tikzpicture} \begin{axis}[axis equal, axis lines=center, xlabel=$\Re$, ymax=1.5,ymin=-1.5, ...
3
votes
1answer
328 views

Problem with legend position

I have been using the tikz package to plot my graphs. When I want to describe each graph in a plot, I use "legend entries" and using "legend pos" I can manage the box describing the graphs. But now I ...
1
vote
0answers
165 views

TeX capacity exceeded using Knitr

I am unable to weave a document containing LaTeX and R code using RStudio due what I think are TeX capacity limitations. Is there a way of fixing this without having to compile using LuaLaTeX which is ...
0
votes
0answers
44 views

How to plot greyscale histogram of an image [duplicate]

Is it possible to plot color and greyscale histogram of a given image directly in LaTeX?
3
votes
1answer
99 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 ...
1
vote
1answer
91 views

Plot the characteristic roots of complex equation

I want to draw the following pictures as plots in the TikZ environment. The first one is the characteristic roots of the equation \lambda + \mathrm{e}^{-\lambda} and the second one is the ...
0
votes
1answer
84 views

How to plot something like this in latex

I would like to graph something like this in latex or R, but my main goal is to do it in Latex. Thanks for the help
1
vote
1answer
58 views

Chaining gnuplot function calls in tikz, reverse plotting

I have a parabola drawn through A, B and C. There are three different equations: for the top darker border, the fill (this is a hack just using a wide line) and the lower border. It's not quite what I ...
0
votes
1answer
103 views

Plotting normal curve with extremely small variance

I need a graph of a normal bell curve centered around t with a variance as small as possible (without being straight line). I've found a bunch of methods to plot a normal graph, but none where the ...
3
votes
1answer
85 views

How do I plot a fourth order system with bodegraph?

I wanted to plot a fourth order system with bodegraph: G(s) = s^2/((s+3)^4) But I dont get how to set the transfer function with bodegraph. \documentclass[border=5mm]{standalone} \usepackage[...
2
votes
1answer
390 views

Remove duplicate labels with symbolic y coords

I am new to pgfplots and have a problem with the following example: \begin{tikzpicture} \begin{axis}[title = Some fancy benchmark data, xbar, y axis line style = { opacity = 0 }, axis ...
10
votes
2answers
5k 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 ...
11
votes
2answers
3k views

Plot functions and their point of intersection

We are plotting three functions as follows \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[enlargelimits=false] \addplot[domain=0:1,blue] {(1-x)/5}; \...
1
vote
1answer
38 views

Unconnecting two segments of a plot

I have copied the code from this previous post about plotting elliptic curve, but unfortunately when the curve has two "parts", I can't figure out how to remove the connection between the two. Here is ...
2
votes
0answers
129 views

How to “set format x” to have the format valid with gnuplot+cairolatex

My gnuplot.plt is set up like this set term cairolatex pdf set output "data.tex" set nokey plot 'data.csv' using 1:2 with lines, And I use the output from gnuplot in my latex like this \begin{...
2
votes
1answer
32 views

Can't move gnuplots into subfolder

I have a data.dat-file that I plot with a gnuplot.plt file with these mentionable lines: set term cairolatex pdf set output "plot.tex" This generate a plot.tex, with labels, axes, etc and a plot.pdf ...
3
votes
1answer
104 views

Help to dual Y axis, dual stacked plot

The B means the block will be Blue, R means Red, Y means yellow, etc ... In plot, it will not be written, it represents only the colour of the plot. Related Link MWE: \documentclass{article} \...
3
votes
2answers
145 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
237 views

Draw mathematical analysis figures in latex [duplicate]

I wonder if it is possible to draw the following figures in latex: For the first image I want a typical real analysis diagram. For the other three I want to draw a cylinder and with squares and ...
0
votes
0answers
61 views

Plot sum of distribution [duplicate]

I have 1000 data points close to zero (absolute value < 0.1), adding up to 1. I want to plot their sums. I.e. if they followed a normal distribution, I'd want to have an S curve plotted. I'm aware ...
1
vote
0answers
53 views

Show “log-”ticks in the case of small range

I use the pgfplots package. Is there any solution to show the "log"-ticks when the range of the data are small? One solution consists in increasing manually the range using xmin, xmax, ymin and ymax ...
2
votes
1answer
279 views

PGF/TikZ plot: syntax and limit range of plotted function

In this answer an example of multiple functions plot is provided, using PGF/TikZ and the datavisualization library. The documentation seems not to deal with the following issues: 1) For each plot, ...
4
votes
3answers
135 views

Draw edges with varying/random curvature in TikZ

I want to draw a network plot, but many edges are overlaying. I want to vary curvatures of the edges to make overlaying edges visible. My initial idea was to make the curvature a random uniform ...