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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Restricting tikz plot to multiple domains due to dividing by zero

I'm trying to plot a formula where for my intended domain, a division by zero will be done. Overleaf/latex gives me the following error: Dimension Too Large. I think this has to do with each other. ...
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1 vote
1 answer
50 views

Tikz: fill square mark in axis environment

Can I fill my square marks in yellow? When mark are *, I just can write fill=yellow \documentclass[12pt]{article} \usepackage{amsmath} \usepackage{tikz} \usepackage{pgfplots} \usepackage{float} \begin{...
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0 votes
0 answers
15 views

How can I make graphs with boxed text or math and arrows?

How can I make graphs like this?
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1 vote
0 answers
14 views

Scatter plot from dat file where each mark size depends on 3rd column in table? [duplicate]

I am trying to create a basic scatter plot where each point's mark size has a unique value given by a 3rd column in the dat file. In the code below, mark size should be mediated by the 'Mag' column. ...
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1 vote
1 answer
63 views

Drawing 2d and 3d vectors using lua or luamplib in LaTeX

Here is the tikz code using which vectors can be drawn. \documentclass{article} \usepackage{tikz} \usepackage{tikz-3dplot} \usepackage{amsmath} \begin{document} \tdplotsetmaincoords{60}{120} \begin{...
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  • 1,443
1 vote
0 answers
105 views

Is there a easy way to plot Jacobi Elliptic Functions with Tikz-PGF?

So The Jacobi Elliptic Functions are a little bit tricky to plot because they depend on the complete elliptic integral of the first kind K(k) that can be written as a sum of double factorials, and the ...
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0 votes
1 answer
39 views

How do I plot the solutions of an equation of a 3D Plot?

I want to plot all possible solutions for sqrt(|x||y|) = 2 into my plot as a line. My code for the plot currently looks like this \documentclass{article} \usepackage{pgfplots} \pgfplotsset{compat = ...
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1 vote
2 answers
82 views

Plot graph with labels

How can I draw the following graphs? I wanted to do this with Python or Matlab, but I heard that this also works with LaTeX.
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  • 403
0 votes
1 answer
142 views

How to plot this modified Bessel function?

I'm new to TeX and I wish to plot in my master's dissertation the graph of the function $E_2:\mathbb{R}^2 \setminus{0} \to \mathbb{R}$ defined by $$E_2(x,y)= (2 \pi)^{-1}K_0(\sqrt(x²+y²)), $$ Where ...
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0 votes
1 answer
53 views

autoregressive neural network with tikz

I am trying to draw an autoregressive NN with tikz but i am quite stuck. This is what i've done so far: \tikzset{% every neuron/.style={ circle, draw, minimum size=1cm }, neuron ...
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2 votes
2 answers
44 views

how do use multido to plot in pspicture

I would like to use multido to plot secant lines in pspicture. \documentclass{exam} \usepackage{multido} \usepackage{pst-all} \begin{document} \psset{xunit=2cm,yunit=1cm} \begin{pspicture}(-0.4,-1)(...
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1 vote
1 answer
42 views

How to define coordinates based on function in pstricks

I would like to define coordinates based on a function. \documentclass[pstricks,border=12pt]{exam} \usepackage{pst-all} \begin{document} \psset{xunit=2cm,yunit=1cm} \begin{pspicture}...
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0 votes
0 answers
51 views

Draw a tangent line to a curve [duplicate]

I would like draw a curve (without knowing the function) then place a tangent line at a point on the curve. Basically the same as below but with a smooth curve. \documentclass{exam} \usepackage{tikz} \...
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1 vote
1 answer
89 views

Classification of index in Phase Portaits

I am trying to make the following graphs horizontally, I used the following answer as a basis: input: \documentclass[border=1mm]{standalone} \usepackage{tikz} \usetikzlibrary{decorations.markings,...
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  • 351
2 votes
1 answer
49 views

Scatter Plotting an Image in a Pspicture with Polar-Type Coordinates

I would like to be able to direct an image from a fixed point in a pspicture to various locations in the picture individual specifying angles and radii from that point. Consider the code (which I ...
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0 votes
0 answers
31 views

pgfplots - Connecting max Values with new Line Curve

I need to create a plot showing a curve, which is connecting the peaks of other curves. Like the drawn black curve in the following picture: The other curves are created by the following formula and ...
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2 votes
1 answer
49 views

Draw dots on specific points of a line

With the contribution of a kind user : it has been possible to reproduce this scheme : Using this code : \documentclass[margin=3mm]{standalone} \usepackage{tikz} \begin{document} \begin{tikzpicture}...
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  • 185
0 votes
1 answer
77 views

Draw this scheme on TikZ

I am currently trying to draw this graph using Tikz : The fact is that I am a bit lost with this process since it's my first time trying to do so. I am reading a documentation but this is only about ...
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  • 185
1 vote
1 answer
72 views

An Efficient Method for Drawing a Constellation of Glowing Stars

As an application of the question posed in How to Give Stars a Glow Effect Consider the code \documentclass{book} \textheight 8.5in \textwidth 5.75in \usepackage{tikz} \usetikzlibrary{fadings, calc} ...
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0 votes
0 answers
21 views

How to annotate in plot and colorbar

Well, I wrote this MWE \documentclass{standalone} \usepackage{pgfplots} \pgfplotsset{compat=newest} \pgfplotstableread[col sep=comma, header = true]{ label, angle, tempo, coef Cx-1, 45, 1....
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2 votes
1 answer
88 views

Can anyone help figure out why this graph won't plot in Tikz?

I'm trying to plot the following Fejer's Kernel: ((sin(7x/2)^2)/(sin(x/2)^2))*(1/16). Below is the following code that ive tried but for some reason I keep getting errors. Can anyone tell me why this ...
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-2 votes
1 answer
676 views

Draw in latex without downloading the pdf

A query I am trying to write in latex and attach this image. I did it separately, downloaded the pdf file to keep its resolution and attached it to my latex file. Is there a way to do it directly ...
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  • 351
0 votes
0 answers
102 views

Plotting Lagrange interpolation polynomial

I am writing a code that plots the Lagrange polynomial of a given function. I have all the necessary data, but I can't find a way to plot $P(x) = \sum_{i=0}^n (f(a_i) \prod_{j\neq i,j=0}^n \frac{x-a_j}...
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  • 91
4 votes
4 answers
189 views

Help with a figure with absolute value

I am trying to draw $y=|x|^{1/2}$ on LaTeX, but I have no idea how to do it. I tried to use this code \begin{tikzpicture} \begin{axis}[% domain = -3:3, samples = ...
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  • 43
0 votes
1 answer
48 views

Color list not working

When I try to color the addplot using cycle list name=color list it doesn't work for some reason, the color of all the lines stays black. Here is my code: \documentclass{standalone} \usepackage[utf8]{...
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  • 33
0 votes
0 answers
60 views

LTSpice plot to Latex

I have .plt plot from LTspice programme and would like to insert it into Tex, but have no idea how change .plt syntax into .tex syntax. I've checked this, but it seems that it doesn't work anymore. [...
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3 votes
2 answers
88 views

Plotting complex numbers and it's conjugate

I want to plot this in my latex document : I have been trying to do it but it has always given me errors, I don't know if my code is right or if I am missing to import something (I already imported ...
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2 votes
2 answers
107 views

How to plot two functions and their characteristics

I want to be able to have two functions on a graph, one is a blue rectangle and the other is any signal. In addition, I would like to be able to illustrate the names of the signals, a width, a height ...
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  • 194
0 votes
0 answers
52 views

Shaded ellipsoid with curves on it

My final goal is to replicate the following figure (at least the right part) in tikz-3dplot: For now, however, I'd like to ask only about plotting an ellipsoid in tikz-3dplot with "ball color&...
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  • 265
2 votes
1 answer
57 views

How to draw tikz figures side by side, while using a loop?

Right now I have some code like this: \begin{minipage}{1cm} \begin{tikzpicture} \draw plot[domain=0:2,rotate=-90] (\x, { (sin(pi*\x r)* sin(pi*\x r) + sin(pi/2*\x r)*sin(pi/2*\x r) + 2*...
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  • 365
2 votes
1 answer
102 views

Asymptote 3d plot of an implicit function (with absolute value)

When I run the following code, the program seems to go into an infinite loop. If I write a function without the abs function, the program runs normally. The resulting plot is similar to the picture ...
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  • 1,627
0 votes
0 answers
55 views

How to sketch a quadratic region using tikz?

I am trying to do the following two things but can't seem to find the most efficient way to do it: sketch y>ax^2+bx+c or y<ax^2+bx+c sketch overlapping regions between a quadratic function and ...
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0 votes
0 answers
26 views

How can I plot the graph for a conditional equation?

I have the following equation: g(x) = \begin{cases} x + 2 & \text{if } x \ne 3 \\ \text{undefined} & \text{if } x = 3 \end{cases} how can I plot a graph that shows it's ...
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-1 votes
2 answers
130 views

Tikz plot smooth lines

How can I reproduce the line inside the red circle of the image above? My code is: \documentclass{standalone} \usepackage{tikz} \usetikzlibrary{patterns, arrows,shapes,positioning,shadows,trees, ...
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2 votes
1 answer
177 views

Plot f(x,y)=2-x^2-y^2, extrema value

It's easy show that f(x,y)=2-x^2-y^2 has a maximun value in (x,y)=(0,0), I need a plot show this result. I tried this: \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{...
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  • 252
1 vote
1 answer
86 views

Smoothing a pgfplot curve

I am trying to generate plots with smooth curves using the pgfplots package. Setting the smooth option in the \addplot command does not seem to make any change. \documentclass{article} \usepackage{...
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2 votes
0 answers
40 views

How to plot function from a .csv file in Tikz? The .csv file created from the example from Tikz manual is misread (as all y values are 0) [duplicate]

Note: This question is not exactly the same as TikZ data visualization fails to load data from file because I don't have any error thrown by the code (the log don't display "! Package PGF Math ...
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  • 1,868
1 vote
1 answer
123 views

Shading region in LaTeX

I have the following LP $$ \begin{array}{cc} \min & 15x+20y \\ \text{subject to:} \\ & x+2y\geq 10 \\ & 2x-3y\leq 6 \\ & x+y\geq 6 \\ & x,y\geq0 \end{array} $$ ...
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2 votes
0 answers
68 views

how to plot with TikZ a function that takes a sphere and projects it onto 2D space

I'd like to take a sphere, then apply a linear transformation from 3D (the space of the sphere) into 2D. I wish to plot the resulting linear transformation. Currently my code looks like this: \...
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  • 199
1 vote
0 answers
62 views

I need help ploting an equation

I am trying to plot a function in terms of another one, but my code is taking too long and at the end i am not getting any plot. The function that i am trying to plot is: i_c(U_c(x)) U_c(x) = 5+exp(-...
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  • 83
0 votes
1 answer
56 views

Plotting a bimodal distribution with TikZ

I have tried without success to plot the curve of a bimodal distribution. Is there a generous soul who can come to my rescue.
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2 votes
1 answer
154 views

tikz cosine function plot without pgf

I am trying to plot a function with cosine and exp. It can plot the exp part but not the cosine. I have tried cos, \cos, cosine, \cosine none work. This code used to work for 3 months ago maybe ...
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1 vote
1 answer
64 views

Create a graph with very large number of edges

I am trying to create in Latex a graph with a very large number of edges. Something similar to the attached image (taken from a paper by Bissyandé et al). I've tried to simply draw a graph using ...
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  • 185
4 votes
2 answers
120 views

How to smooth the graph $\chi(t)=\sen(\pi t)\exp\left(\dfrac{-1}{\sen^2(\pi t)}\right)$

I am graphing these two functions $$\chi(t)=\sin(\pi t)\exp\left(\dfrac{-1}{\sin^2(\pi t)}\right)$$ and $\rho(t)=\sqrt{\frac{1}{A}\int_0^{t+1}\chi(x)dx}$, where $A=\int_0^1 \chi(x)dx$. I only ...
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  • 351
3 votes
3 answers
93 views

How to add a rectangle to, and display an evaluation line on, a function plotted using `pgfplots`?

I have the following function plotted with pgfplots: I would like to somehow add a window as follows: It can be just lines or have a transparent background color. The code I am using is this: \begin{...
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  • 194
1 vote
0 answers
60 views

Some book to learn to graph 2D and 3D

I have been drawing in a fairly basic way for a long time or using alternative programs to generate my graphs, but now I would like to learn how to graph in Latex but I don't know where to learn to ...
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  • 351
1 vote
1 answer
61 views

Plot line in Kiviat’s graph hides the background text

The following is the hexagonal Kiviat’s graph from tkz-kiviat package. Though the plot made is fair enough, but the lines of the plot hide the background text. I used stackengine and adjustbox ...
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2 votes
2 answers
45 views

Ticks and label superposed with pgfplots

my problem is that I need more digits in the y ticks. When used precision=4, the y label and y ticks are superposed. ¿How can I avoid this? \documentclass{article} \usepackage{pgfplots} \begin{...
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5 votes
3 answers
1k views

plot $(e^x-x)^{\frac1{x^2}}$

I need to plot the function (e^x-x)^(1/(x)^2) in tikzpicture, but close to 0, apparently latex indeterminates it, does not graph it. This is the code I am using: \documentclass[1cm]{standalone} \...
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  • 63
10 votes
5 answers
1k views

Plotting a smooth function [duplicate]

I want to plot the graph of the function given by: f(x)=abs(x - x^3/6 - sin(x)) for -1<= x <=1 but a noise (near x-axis) curve is obtained: The code is the following: \documentclass[11pt,...
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