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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StreamPlot, ListStreamPlot scaling issue [duplicate]

The following stream plot is empty and the x-axis exceeds $[-0.1,0.1]$ significantly. StreamPlot[{y, -100000 x - y}, {x, -0.1, 0.1}, {y, -100, 100}] Using ...
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0answers
32 views

StreamPlot, ListStreamPlot does not visualize vector field properly [duplicate]

I am reopening my question about empty stream plots. I couldn't find a choice for parameters that would give me a proper stream plot for the following example. ...
8
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1answer
2k views

FeynRules vs FeynCalc (or anything else?)

I was looking for a Mathematica package that can take Lagrangians and calculate Feynman diagrams for any given n-point function. (..like if a software can draw and calculate arbitrary loop corrections ...
6
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1answer
56 views
1
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3answers
98 views

DensityPlot is wrong

DensityPlot[( ArcCot[(2 y)/(1 - 2 x)] + ArcCot[(2 y)/(1 + 2 x)])/1, {x, -10, 10}, {y, 0, 10}] What it should look like: What it looks like:
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1answer
79 views

How to use the “EdgeLayout” suboption of GraphLayout?

According to the documentation, GraphLayout has an EdgeBundling suboption, which can take the following values: ...
3
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1answer
388 views

Putting set elements into venn diagram

My problem has two parts. Before that I have two Lists/Sets. It suppose to be created them by two initial strings. In the first part, I need to show sets' elements in venn diagram. I can create venn ...
19
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3answers
3k views

Visualizing a Complex Vector Field near Poles

I've been playing around with a visualization technique for complex functions where one views the function $f: \mathbb{C} \rightarrow \mathbb{C}$ as the vector field $f: \mathbb{R^2} \rightarrow ...
11
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1answer
136 views

How can I route edges manually for a Graph?

Most graph layouts supported by Mathematica use straight lines for edges; or at least something that only depends on the coordinates of the two adjacent vertices of the edge and nothing else. A ...
49
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6answers
5k views

How to plot Venn diagrams with Mathematica?

How does one plot Venn diagrams with Mathematica? I've searched quite a bit and I've found one source at MathWorld which provides the source code for doing them. But I don't understand this code, can ...
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1answer
167 views

Network/Graph Visualization read edgelist

I have what it seems to be a very trivial question, but after searching for hours I was not able to find an answer, so I am asking here. I have an edgelist for a graph, a 2 column csv file with ...
23
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2answers
596 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: ...
24
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2answers
2k views

Visualizing vector spherical harmonics

I have painstakingly derived the vector-spherical harmonics $\mathbf{V}_{J,\,M}^\ell(\theta, \phi)$, which are the generalization of ordinary spherical harmonics $Y_\ell^m(\theta, \phi)$ to vector ...
10
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1answer
262 views

TableView displays negative numbers incorrectly

I'm trying to substitute TableForm with TableView because TableView is more handy with big data . But on my Mathematica 9.0.1 (ubuntu 14.04_64bit) there is a problem with negative numbers: ...
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0answers
69 views

ViewVector requires click before behaving with Graph3D (Also, viewing 3D subgraph “head on.”)

I want to produce 3D subgraphs that looks "head on" at the remaining vertices, held in their original positions via VertexCoordinates. The default viewpoint is not ...
1
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1answer
65 views

Is there a way to change PlotRange without redrawing?

I'm running some code that takes a very long time to generate a final image. So naturally when the PlotRange on the original image was too small, I'm frustrated ...
6
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2answers
144 views

A better alternative to the paired bar chart

In an nice blog post about the horrors of the paired bar chart, Jonathan Schwabish proposes an elegant alternative, as follows. Instead of having parirs of yellow and blue bars, simply plot their ...
3
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0answers
92 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 ...
1
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1answer
73 views

StreamPlot use fixed integration time to determine final path length, not fixed path length

I'm plotting velocity fields for fluid flow, and my call to Streamplot looks something like this: ...
5
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0answers
168 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
105 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
132 views
41
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6answers
3k views

ColorData[“VisibleSpectrum”] is wrong?

I am trying to visualize the visible spectrum using the built-in ColorData["VisibleSpectrum"] function which "colors based on light wavelength in nanometers". But I ...
12
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1answer
145 views
48
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1answer
2k views

How to construct a treemap using non-rectangles?

I've written the standard version of a tree map (a graphic that shows nested data) and I'm looking to improve on this layout by switching to different types of polygons or perhaps circles. Can anyone ...
5
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0answers
204 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 ...
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2answers
211 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 ...
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1answer
34 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: ...
20
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0answers
3k views

How to visualize Riemann surfaces?

In WolframAlpha we can easily visualize Riemann surfaces of arbitrary functions, can we plot the Riemann surface of an arbitrary function using Mathematica and ...
8
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1answer
254 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 ...
6
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2answers
332 views

How to improve visualisation of trajectories in 3D space

I have a list of trajectories from a bunch of photons that travel inside a scattering medium. Each trajectory is a list of $(x,y,z)$ pairs. I'd like to visualise them in 3D space. I came up with the ...
2
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0answers
80 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 ...
2
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1answer
130 views

Visualizing how the zeros for this function change as its input parameter changes?

I'm trying to explore how the zeros of a certain parameterized function change as its parameter changes. ...
2
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2answers
227 views

BarChart3D does not print zeros and odd tick positions

Bug introduced in 9.0 and fixed in 9.0.1 I want to generate a simple 3D view of some frequencies for two variables. I have the counts in a 4x3 matrix, say. This is my bar chart code: ...
6
votes
4answers
224 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 & ...
3
votes
2answers
156 views

Problem with old code for a Calabi-Yau manifold

I would like to draw a Calabi-Yau space in Mathematica. From Andrew J. Hanson's paper (page 6) about this topic, I got the following code, which just does not show anything at all in my Mathematica ...
4
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2answers
1k views

How to plot the 2-D graph of $|x|+|x+y|=1$?

Problem Description: Today,I am countered with a integral problem that I need visualize a 2D graph of the equation $|x|+|x+y|=1$ I plots it step-by-step by hand: When $x \geq 0, x+|x+y|=1$ ...
28
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2answers
3k views

How to build a bvh (a motion capture file format) player in Mathematica?

How to build a bvh player that can be used to visualize human motions in Mathematica? Any idea or sample code would be appreciated. ...
5
votes
1answer
328 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
33 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 ...
3
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1answer
297 views

Visualization of Gaussian Curvature

I need to visualize Gaussian Curvature of a parametric surface. There is a solution in this math.SE post. However, I'm not sure its working because when I draw a sphere it's all white, but it should ...
8
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3answers
856 views

Visualization of matrix transformations

I define the "matrix transformation" here as follows: $\left[ \begin{matrix} x_1' \\ x_2' \\ \end{matrix} \right]=\left[ \begin{matrix} a & b \\ c & d \\ \end{matrix} ...
1
vote
2answers
98 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
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1answer
92 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
81 views

How to visualize such PopularCurve entities?

The following command EntityValue["PopularCurve", "Entities"] returns a long list of PopularCurves: {dragon curve, ...
9
votes
2answers
629 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
votes
2answers
146 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
76 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 ...
39
votes
2answers
2k views

Möbius transformations revealed

Möbius Transformations Revealed is a short video that vividly illustrates the simplicity of Möbius transformations when viewed as rigid motions of the Riemann sphere. It was one of the winners in the ...