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Questions tagged [visualization]

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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1answer
63 views

Plotting large scale image embeddings

I'm looking for help making publication-quality graphics for visualizing 2D embeddings of image datasets, so that they look like this: These two-dimensional embeddings of thumbnails (sometimes with ...
22
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0answers
795 views

How can I trace a functional expression's evaluation visually?

Ok, so the goal is to visualize the execution of this expression foo /@ {3 + 1, bar /@ {1 + 2, {4 + 7}}} in the following fashion using nested rectangles with ...
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0answers
245 views

How to label vertices on a mesh with user defined values?

I am trying to write a code to estimate geometric properties (i.e. Mean Curvature, Gaussian Curvature, Principle Curvatures) on a triangulated mesh. I would like to save the calculated data as a set ...
7
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0answers
133 views

Implementations for common dimension reduction algorithms

I am working on a visualization manuscript that uses dimensional reduction with tSNE of a very large data set (227,573 points x 2,571 features). The reviewers would like figures comparing the tSNE ...
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0answers
776 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 $g(x,y,z)=3x+y+2z=13$...
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0answers
224 views

How to do a Sankey Diagram with multiple notes in Mathematica

I want to create a Sankey Diagram that looks like this: I read the post on How to Make a Sankey Diagram, but I can't seem to make the right adjustments to get the diagram I want. Is there a way to do ...
5
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0answers
155 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 $u(x)\in\mathcal{S}(\mathbb{R}^...
5
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0answers
210 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 ...
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0answers
69 views

Visualise sets giving some relations on those sets

I'm not very experienced with wolfram, but I'm searching for a function that can basicly do the following. Giving some sets $A,B,C$ and some relations for example $B \subset A$,$C\subset B$. I would ...
5
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0answers
930 views

3D visualization of 4D object data

I have some paired data here {{x1,y1},...{x_n,y_n}} (Download link) which represents {frequency, amplitude} of a spatial object surface mesh. Its quite a lot of cells and data as you can see in the ...
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0answers
70 views

Ideas for visualizing the shape of a random walk

Context: In the context of (3D) random walks or polymer chains, a useful quantity for capturing and characterizing the shape of the walk or the conformation of the polymer in space is the gyration ...
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0answers
89 views

WordCloud Produces strange squares

I am trying to make a wordcloud from this txt file: https://ufile.io/dqhyd Source: How to delete certain words from a word cloud in mathematica? ...
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0answers
181 views

EquationTrekker-like behavior for state space?

EquationTrekker is great for phase space plots, however I want to plot the results of $$\phi '(t)=-b \sin (\phi (t))+g \sin (\Phi (t)-\phi (t))+1\\\Phi '(t)=g y \...
4
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0answers
181 views

Graph plotting: specify layers for layered drawing

Mathematica can do layered graph drawing with LayeredGraphPlot or GraphLayout -> "LayeredEmbedding". Is it possible to ...
3
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0answers
50 views

How to make BarcodeImage carry more information?

We could use QR code to encode and decode small data ...
3
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0answers
382 views

Is there a 3D version of ListStreamPlot[] (analogous to ListVectorPlot3D[])

Is there is straightforward way to visualize streamlines given a series of discrete samples of a 3D vector field? There is a generalization of ListVectorPlot --> <...
3
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0answers
203 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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0answers
31 views

Set minimum edge separation for SpringElectricalEmbedding

I have a graph with nodes that themselves are images of graphs. When there are many nodes in the graph the nodes are placed too close to one another and so the images overlap, preventing the edges ...
2
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0answers
101 views

Visualizing Trained Filters

In the first convolutional layer of NetModel "Wolfram..." , the parameters of the filter are 64 (number of filters), and 112x112 (size). The last convolutional layer has 192 55x55 filters. What ...
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0answers
250 views

How to draw a color square from a spectral distribution?

I need to draw a simple square filled with a flat uniform color, from a given spectral function. The color should simulate as close as possible what an human eye/brain would see, if the light ...
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0answers
73 views

Plot markers for ListPointPlot3D?

I suffer a little bit of color blindness, that is the reason why I always prefer to have plots with markers instead of different colors. For instance, I do not like the look of this: ...
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0answers
61 views

Can I make the z-axis on the SmoothHistogram3D output show quantity rather than probability?

In SmoothHistogram3D, the x- and y-axes are in the form of the original input; 0 maps to 0 and 1 maps to 1, etc. However, the z-axis returns a probability rather ...
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0answers
78 views

Export 3D plot with antialiasing

I'm trying to save the following plot to PNG with 4x antialiasing ...
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0answers
103 views

How can I rotate labels in a Dendrogram when using pre-clustered data?

I have some pre-clustered data that I want to visualize with Dendrogram. I am using Dendrogram purely for visualization in this ...
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0answers
46 views

Showing truncated surfaces ; $\,$ Reading off projected 3D points by mouse pointing;

Two questions: Wish to remove parts of the surface outside the pie cutting planes and show the remaining truncated object/intersection edges without cutting planes. ...
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0answers
503 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 ...
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0answers
227 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 ...
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0answers
836 views

Doing local FFT on huge 3D vector data cell mesh and visualizing it spatially?

Simulation type: I'm running a simulation with the OOMMF micromagnetics package http://math.nist.gov/oommf/ where are magnet is represented by a mesh of 3 million cells, it gets excited by a ...
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0answers
48 views

Wave scattering visualisation

I've been looking around on the web for some mathematica visualisation of a wave scattering with an interface or layer. I can't seem to find any nice 2-d or 3-d examples. Could anyone point me in the ...
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0answers
23 views

How to show the name and data in a customized map?, with GeoRegionValuePlot

How to show the name of each division and data/values (even customizing the TextStyle for adapt to different sizes) ?. Show all the data, not only when the mouse is over on a region. Or how to add ...
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0answers
47 views

visualization of timedependent flux data

I am trying to visualize some electronic flux data for a quantum mechanical system. I have a file containing electronic flux values and coordinates for different timesteps in a quantum mechanical ...
0
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0answers
165 views

PlotLegends on DensityPlot

I have plot DensityPlot[100*Exp[-x^2 - y^2], {x, -2, 2}, {y, -2, 2}, PlotLegends -> {Automatic}] I wanna see the PlotLegend only in range 0 to 10. How do it?
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0answers
35 views

How to create a particular 3D variant of MatrixPlot?

Does anybody know an elegant way to implement a matrix plot of the following form in Mathematica? Where $Y_{ij}$ is just an matrix of complex numbers (the index $a$ just counts different matrices, ...
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0answers
252 views

How to plot the phase portrait for $4\times 4$ ODE system?

I wrote below the instructions in Mathematica because I wanted to see the phase portrait of systems of DE of $4\times 4$ dimension. But Mathematica cannot recognize the last 2 variables $y$ and $z$ ...
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0answers
29 views

Handling recurrence relations

Are there special features in Mathematica for probing a recurrence relation? (dummy example: $f(x) = \prod_{i=1}^N f(x-i)$) Such as, potential simplification, finding base cases, or a visualisation ...
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0answers
534 views

How do I make 4D plot in Mathematica from Excel data with two different graphical representation?

I have some experimental data in excel format containing 50 rows and 4 columns (x, y, z, A). I want to first import the excel file into mathematica and then make TWO different plots simultaneously and ...
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0answers
233 views

Custom color function in `ListContourPlot`?

I have a resource-consuming function of a complex variable, and I would like to make a contour plot of it with contours level curves of the modulus and the color coding the phase. If I just use ...
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0answers
98 views

Implement 2D sprites as plot point markers in ListPointPlot3D

With dimension reduction, It's possible to visualize image data in 2D by using the PlotMarkers option: ...
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0answers
166 views

Rotating a 3D object using the mouse to create frictionless momentum

I want to create a visualization of a 3D object where I can vary the speed and direction at which the object rotates by the direction and speed in which I swipe the mouse pointer while holding down ...