Data visualization is the study of the visual representation of data, meaning "information that has been abstracted in some schematic form, including attributes or variables for the units of information"

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27 views

Using NIntegrate and DiscretePlot to visualize pseudodifferential operators

In harmonic analysis, pseudodifferential operators are a way to generalize the notions of derivatives, through the use of Fourier transforms. The basic idea being, Let ...
4
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0answers
126 views

Visualising a 1-(50,15,15) design

The problem I have is the visualisation of a $1-(50,15,15)$ design. That is a set of $50$ points and $50$ blocks (lines), so that each point is on $15$ lines, and each line contains $15$ points. My ...
0
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1answer
78 views

How to let Mathematica ignore complex values in Plot functions?

Consider the polar coordinates function of a circle centered at $(2,0)$ with a radius of $\sqrt 2$: $$\rho(\theta)=\left\{\quad \begin{array}{c} 2 \cos \theta +\sqrt{2-4 \sin ^2\theta} \\ 2 \cos ...
3
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1answer
107 views

How can I fix a defect in the 3D graphics rendering of a coiled tube? [closed]

I use the following code to obtain a tube version of a spring: ...
4
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0answers
114 views

Visualizing the Lagrange Multiplier Solution

This question is based on work in Susan Colley's Vector Calculus, 4th ed. The question is to find and classify critical points of $f(x,y,z)=3xy-4yz+5xz$ subject to the constraint ...
6
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2answers
123 views

Visualize scalar field $f(x,y,z)$ in three dimension

I am trying to visualize scalar field in three dimension generated from some simulations with tuples $(x, y, z, w)$ where $w=f (x, y, z)$. Here is my first attempt ...
0
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1answer
29 views

How can I plot a function of imported data that ends up nested in lists four deep? [closed]

I imported a file of data from a model that I am running for my research. It produces the following output in Mathematica: ...
2
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0answers
46 views

Tree graph showing the orbits under the Collatz map?

ReverseCollatzPaths is a nice demonstration of a radial tree graph showing the orbits under the Collatz map. However, Jason Davies gives, I think, a nicer visulalization using Python, with a ...
8
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1answer
154 views

How to make a Nebulabrot?

A Nebulabrot is a generalization of the Buddhabrot, a fractal rendering technique related to the Mandelbrot set that sort of looks like a meditating buddha. The Buddhabrot rendering technique was ...
19
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1answer
245 views

Visualizing Type System Operations

With the introduction of Dataset in version 10, Mathematica acquired a static type-checking subsystem. A fair number of dataset-related questions here on MSE ...
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1answer
50 views

Visualisation of feedback loops in a directed graph

Here are the nodes (vertices) of my graph: ...
5
votes
1answer
101 views

LabelingFunction in BarChart displays bar-values below x-axis

I'm trying to visualize some data using a BarChart[] in Mathematica. The data should be placed (centered) inside the bars - except the bar is too small. In this ...
0
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0answers
29 views

Weighted graph vizualization [duplicate]

Is it possible to visualize a weighted graph, so lines on screen would reflect weight? I.e., be longer, or shorter depending on edge weight? Slight OT: which graph visualising libraries/tools can do ...
0
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2answers
60 views

What is the correct way to assign and use properties of vertices in graphs?

I'm using Mathematica 10, but I'm having a hard time getting it to do anything useful for network analysis because I'm having a hard time working with node properties and analyzing the graph by its ...
8
votes
1answer
84 views

Filling Stacked Graph v.10.1

I used a code very similar to the code posted by Kuba stacked line graph with fragmented data ...
1
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1answer
66 views

How to visualize such PopularCurve entities?

The following command EntityValue["PopularCurve", "Entities"] returns a long list of PopularCurves: {dragon curve, ...
8
votes
2answers
428 views

How to draw a protractor in Mathematica

I would like to draw a protractor with Mathematica. I hope this is a fun question. Here is some start codes I tried: ...
2
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2answers
122 views

How to plot a quarter disk with specified height?

Kind of important: the solution posted does work, and answers the question in that sense. However, it is very slow, so a faster option would be much appreciated. I'm trying to create the following ...
2
votes
1answer
62 views

Rotating a 3D plot constantly resizes

When I click and drag a 3D plot it rotates and when I release the mouse, the size of the image changes. This is distracting to me, I'd much rather have it look the same when I release the mouse button ...
3
votes
1answer
74 views

How to use the edge routing of LayeredDigraphEmbedding when specifying explicit vertex coordinates?

The "LayeredDigraphEmbedding" GraphLayout uses an edge routing algorithm which produces nice and readable diagrams and curved ...
5
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4answers
206 views

Constructing a grid from a matrix

I would like to construct a grid from a matrix. For example, one possible matrix is $M1$. $$M1= \begin{pmatrix} c2 & a1 & a1 & a1 & a1 & a1\\ a2 & b1 & c2 & a1 & ...
1
vote
1answer
277 views

How to plot a 3D surface from an Excel matrix, using column and row headers as axis labels

I am trying to use Mathematica to plot a surface chart similar to the ones that are created from Microsoft Excel. The point is to be able to easily colorize and manipulate the plot by free 3D ...
16
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2answers
478 views

Better way to visualize cylinder puzzle solution

The above puzzle has been a recent source of amusement in my clique. I decided to provide a visualization to motivate solution (here): My code: ...
12
votes
1answer
106 views

How can I easily visualize density plots with singularities with the least loss of detail?

I'm trying to visualize electric fields. StreamPlot is helpful: ...
1
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1answer
93 views

Changed appearance of Quantity expressions in v10.1.0

After installing Mathematica v10.1.0 (in Windows 8.1 x64), I noticed a change in appearance of Quantity expressions. For example under Mathematica v10.1.0: while ...
1
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1answer
107 views

Streamline Plot from velocity discrete values

I solved Navier Stokes equation in C for lid driven cavity flow and extracted converged values of u velocity and v velocities in ...
2
votes
2answers
264 views

Using Periodogram to investigate the seasonality of the data

After asking how to get rid of the seasonality of this set of data, I'd like to ask how to investigate the seasonality in data using Mathematica. Which tool would you use to study seasonality? I.e. ...
7
votes
1answer
209 views

How to set the Y coordinates for a Graph with defined X coordinates to prevent overlap of nodes?

I would like to draw a Graph with defined $x$ coordinates and variable node sizes. If I simply replace the $x$ coordinates of a graph, then nodes can overlap and ...
10
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1answer
374 views

How to visualize pattern matching process?

I want a function that does the same job like ReplaceRepeated, and can make the matching process visible. I searched the Internet but didn't find any existing code ...
0
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0answers
81 views

ListDensityPlot seems to break down for large arrays

(Using Mathematica 10) When using ListDensityPlot to plot 40000 + data points, the produced plot seems to be blurred/incorrect for points occurring later in the list. For instance, in the following ...
0
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0answers
43 views

ColorFunction in GeoRegionValuePlot

I don't understand ColorFunctions so any general pointers will be greatly appreciated. My specific question is the following. I want to animate a GeoRegionValuePlot. In the toy case below I have two ...
2
votes
1answer
107 views

How do you plot polygons with GeoRegionValuePlot?

How do you plot polygons in GeoRegionValuePlots? I'd like to reproduce what the call (2) (below) does with something like the call to (4). As you can see using GeoDisk(s) (3) works but the call (4) ...
6
votes
3answers
113 views

Controlling the size of Histogram in PlotLegends -> Histogram

I stumbled across this in the Mathematica documentation and thought it was pretty nifty except that the Histogram that appears as the plot legend is too small so the numbers on the histogram overwrite ...
3
votes
2answers
85 views

Can GeoLabels be controlled?

I am making maps of stuff like population density and would like to add labels but GeoLabels makes it awfully busy. Here is an example. I would like to be able to control what gets written, the color, ...
5
votes
1answer
259 views

VectorPlot3D - vectors starting at points

Normally the vectors in VectorPlot3D ar attached the middle. How to get them attached at the beginning (what is typical conventions in most textbooks) by use of VectorPlot3D ?
6
votes
2answers
175 views

Number of divisors visualized with the QPochhammer function, how improve performance of code?

I have this code that is originally Jeffrey Stopple's code for the Riemann zeta function in the complex plane. Because I discovered yesterday that the number of divisors can be generated with the ...
14
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2answers
582 views

How to connect discrete points and make them become continuous curve?

Given that I have two variables $\theta,t$, for the varible $t$, $\theta$ always owns several values. Namely, $$\{t,\theta_1,\theta_2,\theta_3,\theta_4...\}$$ where $t$ in the interval$[0,1]$ and ...
10
votes
1answer
389 views

representation of custom deformation on a meshgrid

I am trying to represent 2D deformations on a rectangular grid. In Mathematica 10, there is a method to solve the elastic differential equations and then represent the deformation as presented here: ...
2
votes
1answer
117 views

Exact difference between color scaling in ArrayPlot and MatrixPlot

Can someone enlighten me as to how MatrixPlot does its color scaling? I get very different visualizations based on whether I use ...
0
votes
1answer
83 views

Using ListVectorPlot[ ] and eliminating vectors at points where there shouldn't be any

I am trying to make a plot displaying the following type of information. I have a finite set of 2D-coordinates. For each coordinate point, I have a 2D vector associated to that point. The vector is ...
1
vote
1answer
145 views

Plotting multiple curves on a surface

I'm reading about non-euclidean geometry, and I tried to visualize hyperboloid model of hyperbolic geometry using Mathematica. What I need to do is to accent intersections between hyperboloid $x^2 + ...
1
vote
1answer
74 views

Twisting a graph layout (by fixing the $x$ coordinate of all its vertices)

I would like to draw a given graph $G$ in a specific way and I would like to know whether Mathematica can do it in a (semi-)automated way. My goal is to draw the graph $G$ in 2D, fixing all the $x$ ...
20
votes
2answers
390 views

Wind Map Artwork

I would like some help generating an image like the one seen below. The image above is an art piece called Wind Map by artists Fernanda Viégas and Martin Wattenberg. I would like to take wind ...
-1
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0answers
57 views

Gibbons-Hawking metric and Mathematica [closed]

I have been studying the Gibbons-Hawking metric for a while now, and I was asked to visualize it with the program Mathematica. I am terrible at programming and also don't really understand what has to ...
2
votes
2answers
210 views
22
votes
1answer
418 views

Visual representation of a Ranking over time (image provided)

[Disclaimer: I initially posted this question on stackOverflow 2 months ago and think it might be better suited for this forum (link to original question)] The graph below shows a ranking of ...
6
votes
1answer
211 views

Does anyone know a way to draw lines connecting nearest neighbor points in ListPlot[ ]?

I have a two-dimensional mesh that I am visualizing in Mathematica, with ListPlot[]. The mesh looks like this: Any ideas for how to connect all the nearest neighboring points with lines? Thanks, ...
6
votes
2answers
145 views

Visualizing subgraphs while specifying the locations of vertexes

I would like to visualize separate connected components of a graph defined by data points lying in the two-dimensional plane by surrounding each connected component subgraph by a bounding curve. I ...
2
votes
2answers
104 views

Forcing Ticks on Lower Left Corner of Plot

I have a graph that looks like this: I need to have it labeled so that 14 appears in the lower left (I know it's obvious but that's what the publication I'm working with wants). That makes the ...
0
votes
0answers
82 views

Comparing heavy tailed and non-heavy tailed distribution using Mathematica

I have data from a heavy tailed distribution (see picture 1) and a non-heavy tailed distribution (see picture 2) and want to compare it using a histogram on log-scale. However the picture 3 does not ...