Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.

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0
votes
1answer
52 views

ContourPlot not displaying the plot properly

I am having some issues using PlotPoints in ContourPlot. In the following code, depending on the ...
1
vote
1answer
132 views

Shortest distance path on contour plot

I have a contour plot made of the following list: ...
0
votes
1answer
61 views

How to merge a ListLogPlot including a discrete set of data points with a LogPlot including some analytical functions?

I have an analytical 1d-function of a variable called $M$ and I have plotted that function using the following code: ...
4
votes
1answer
60 views

RegionPlot error

I'm trying to represent the following table using the command regionplot. The rectangle (0,0), (0.5,0), (0,1),(0.5,1) should be covered, however it is not. Does anyone know what the problem is? Thank ...
1
vote
1answer
46 views

Why is the solution of NDSolveValue asymmetric when the regions it's solving over are symmetric?

I am creating a mesh over a 3D region and then using NDSolveValue to try and solve for a function over that mesh. The structure is fairly simple, just two polygon squares inside of a big cube. I ...
1
vote
1answer
40 views

Connect pairs of points in ListPlot by arrows

A have set of parameters (p1, p2, p3, l, ...) taken at different time. I would like to plot them connecting the same param. with arrows from older point to the recent ones so I could see evolution of ...
1
vote
1answer
64 views

Need help on simplifying the integral of a square root of a polynomial

I have the following expression a = 4 Cos[af / 2]^2; b = 1 - 5 Cos[af / 2]^2; c = Cos[af / 2]^2; s = Sqrt[a*x^4 + b*x^2 + c] and I need the integration of $s$ in ...
0
votes
0answers
46 views

Generate list of pairs for a function in many varibels [duplicate]

In my previous post ListPlot with many variables I asked how to plot function f[x, y, z, d] versus x for varying ...
2
votes
0answers
51 views

Help with GeoRegionValuePlot

I am trying to get a map with 4 colors, I have several regions with values from 0 to 3 and I want to color those regions with value 0 in white, with value 1 in yellow, with value 2 in orange and with ...
3
votes
0answers
34 views

How does ContourDetect work for arrays?

By the Wolfram Documentation, ContourDetect gives a binary sparse array in which 1 corresponds to zeros and zero crossings in an array. However, in the example: ...
1
vote
2answers
64 views

Can't see the text inserted into a plot by Epilog

I use this command ...
4
votes
6answers
321 views

Plotting “Terrain” with “Water” on them Using BarChart3D

It's easy to present a terrain using BarChart3D using ChartLayout -> "Grid"with the following code: ...
1
vote
1answer
30 views

Correct range for X-axis in ListLogPlot

There must be a quick solution to this problem: How do you get the correct range for the X-axis. Attached below is the code: ...
0
votes
1answer
85 views

How to make RegionPlot for lists of points

Suppose I have the following function: DC[x_, y_] := 3 x - y sigma[x_, y_, z_, d_] := 3 DC[x, y] + 5 z + d I made list of ...
1
vote
0answers
25 views

How to customize the order of leaf labels in a dendrogram plot?

Take the following simple case as an example: Needs["HierarchicalClustering`"] SeedRandom[99]; Sort@RandomInteger[99, {10}] gives {2, 7, 22, 34, 42, 58, 60, ...
1
vote
2answers
89 views

ListPlot with many variables

If I have a function: f[x_, y_, z_, d_] = 4 x + y + z + d; and made lists for f for different values of the free parameters x,...
1
vote
1answer
113 views

How to draw a certain PDF

Here Dist is the PDF. I need to draw it. Can someone suggest me a way to do it? ...
1
vote
2answers
61 views

fail to export the 3d figures in eps form correctly in the 10.4.1.0 version

I'm experiencing some strange problem, which is, when I try to export a figure to the eps form, either by right-click save as, or by the export command, the obtained .eps file seems in fact not to be ...
2
votes
2answers
68 views

How to rotate AxesLabel

i was wondering how it is possible to rotate the axesLabel of a Plot in Mathematica. Specifically i want to rotate the Label of the Y-Axis so that it shows up next to the axes to use up less space. ...
1
vote
0answers
59 views

Using RegionPlot to create letters

I unified several regions in order to create a simple word : ...
0
votes
1answer
59 views

How to draw a contour line that intersects with a specified line (perpendecular to xy plane)?

Assuming I have the 2D scalar field $f(x,y)$ and I want the contour line of $f$ that intersects with the line $x=2,y=3$. How can I do that? At further steps I want the equation for that contour line....
1
vote
0answers
36 views

How to invert an Elliptic function where the elliptic nome is a function of an independent variable?

I have a Jacobian elliptic function as a function of two independent variables $x$ and $y$. The elliptic parameter $m=m(y)$, $0 \leq m \leq 1$, is also a function of the variable $y$, and thus the ...
0
votes
2answers
58 views

Grid: How to assign a common legend to multiple plots?

I made four plots, named Fig1~Fig4. Then I used Grid to put them together in one figure. Now I wish to add a legend in the bottom of the last figure. ...
0
votes
1answer
96 views

Find the equation of the parabola and sketch the graph [closed]

Consider the following information: A quadratic function with equation $f(x) = ax^2+ bx + c$ passes through three points, $A(-1,-1), B(1,-7)$ and $C(3,3)$.
3
votes
0answers
68 views

Plotting positive function … looks like it goes negative

I recently answered a question on the stats SE site which involved a $\text{Sinc}^2$ distribution with pdf: f = (Sin[x]^2)/(Pi x^2) ... defined on the real line. ...
1
vote
1answer
65 views

How to show an angle axis in a RevolutionPlot3D plot

I want to make a RevolutionPlot3D of a three dimensional wave-function which is defined only between two radius. I work in cylindrical coordinates. The idea is to ...
3
votes
0answers
94 views

Check Zagier theorem about Mahler's measure

I want to check the following theorem by using Mathematica: (from Heights of Polynomials and Entropy in Algebraic Dynamics, page 22) $\textbf{Theorem}.$ Let $\omega$ denote a primitive $6th$ ...
12
votes
2answers
655 views

Joining points into 3D surface

This seems like a simple problem, but I can't find any questions like it here so I'm making a new one. Apologies if I missed one. I have a list of points contained in a file which can be visualized ...
3
votes
1answer
85 views

Complex Plot with Imaginary Part encoded in color

Heyhey, I wanted to plot the complex cosine in a 3D graphic where the real part is given by the surface, while the imaginary part shall be indicated by the color. Therefor, I tried the code ...
1
vote
0answers
27 views

Remove surface from graphic [duplicate]

How to remove surface from the following graphic? I need only Mesh, (black lines). ...
1
vote
1answer
118 views

Coding using time from system(computer)

Please help me to solve this problem below. I want to run this coding based on the time given by the system. Given, A = ( { {E^(I [Beta]1 + I [Beta]3) Cos[[Beta]2t], E^(I [Beta]1 - I [...
2
votes
2answers
96 views

Change or force plot legend marker symbols

I am wondering if there is a way to force the plot legend symbol for each respective plot. I am currently using a package created by AlexeyPopkov, which corrects the off-centre plot marker issue very ...
1
vote
1answer
117 views

Need help translating Mathematica code to LaTeX

So I got a gift for a friend based on Mathematica code. ...
1
vote
0answers
28 views

Why is SliceDensityPlot3D leaving out sections that DensityPlot gets? [duplicate]

My program uses NDSolveValue to solve for a 3D function. The code is pretty hefty so I've pasted it here, and I'm just including the really relevant excerpts of it below. Once I have my 3D function, <...
0
votes
1answer
64 views

Clothoid (using Fresnel Integrals) [closed]

A clothoid is represented by The Problem Given the following functions, use Mathematica's Fresnel Integrals to plot the curve. My Attempt ...
3
votes
2answers
56 views

Text Offset Question

There is an absolutely wonderful answer by Heike at Generate a Unit Circle Trigonometry. It is an answer that will lead me to a lot of learning. Here is my playing with her code: ...
1
vote
1answer
34 views

Plotting x value and error bar in y from a data file

Here are some of the points where first column is the values on x axis and the other two values are lower and upper limits for the error bars in y. ...
1
vote
2answers
54 views

DiscretePlot: differentiate without using different colors

I need to plot multiple series in the same figure. As the picture will be printed in white and black only, how can I differentiate these series so that readers can identify them from each other? ...
1
vote
2answers
73 views

Placing a label at a point [closed]

I am a rookie in the use of Mathematica. How do I place a label next to the point where two lines intersect? ...
0
votes
0answers
15 views

Problem with PolarPlot and Table [duplicate]

If I have a set of numbers, for example grid = N[Table[n^2/2, {n, 3, 24}]] And want to plot that as circles I can either use Graphics[] and Circle[], or ...
0
votes
0answers
38 views

Plot markers appear off-centre [duplicate]

Before I start I should mention that this question has been posted in another form here, Point Renderings Slightly Off in Mathematica. However my case is slightly different in that I do not use ...
1
vote
2answers
92 views

how do I 3D Plot f(x,y,z)=0

I am very new to mathematica and was wondering how I could 3Dplot -5(x-2)-7y+3(z+4)=0 I've tried 3DPlot and Contour but neither have seemed to work. PLease help.
1
vote
1answer
77 views

How to fill the heart curve with solid red color?

The parametric equation of the heart curve is from this link $$\left\{\quad \begin{array}{rcl} x&=&\cos {t} \cdot\sin {t} \cdot\ln \left| t\right| \\[10pt] y&=&\left| t\right| ^{0....
3
votes
1answer
72 views

Filtering Background with resonance or Peaks

I have some data, the blue curve which I want to filter out the background to get a flat signal with dips(Idea is to divide signal (except the dips) by the background). The orange curve is my best ...
3
votes
4answers
197 views

Plotting the solution of $\sin(x)\sin(y)$ + elliptic cylinder

I have a problem with one of my school project :( I need to add function: $\sin(x)\sin(y)$ to elliptic cylinder $\left(\frac x a\right)^2+ \left(\frac y b\right)^2 = 1$ After few hours, only this ...
5
votes
1answer
58 views

Gray boxes around labels in exported image (PDF, JPEG,…)

From time to time, when I export plots with Mathematica, the labels have gray boxes as a rectangular background. I am using Mathematica 10.0.1 for Linux (gentoo) 64bit. Consider this thing I again ...
1
vote
2answers
67 views

Avoid white area on contour plot [closed]

I am trying to plot contour plots and some of them show a white patch because of a change in sign of the points plotted. How can I make the contour plot show this change in sign without having to take ...
2
votes
2answers
82 views

Opacity of a given point in ListPlot

I have a flat list of data {{x1,y1}, {x2,y2}, ..., {xn,yn}}, that I plot with a ListPlot. I now want each point to have it's own ...
0
votes
1answer
42 views

Manipulate required to manage 3 parameters one which is a function

Let f(x)=ax(1-x) and I=[0,1]. Then f(I) is contained in I for 0≤α≤4. Take any *x*0 in I and study the iterations *x*1=f(*x*0) etc. Convergence or otherwise around the one or two fixed points (...
9
votes
2answers
141 views

Inscribed square problem

There is a well-known unsolved problem in geometry: $\textbf{Toeplitz' conjecture}:$ Every continuous simple closed curve in the plane contains four points that are the vertices of a square. ...