# Tagged Questions

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"

2answers
262 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 ...
1answer
290 views

### Gravatars/identicons with Mathematica

The default avatar/identicon is based on an MD5 hash of your e-mail address. With some e-mail providers (e.g., GMail) the address gmailuser+foo@gmail.com is still ...
3answers
707 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 ...
1answer
396 views

### How can we create Randolph diagrams in Mathematica?

I have become fascinated with Randolph Diagrams and was wondering how we would create the diagrams from logical sequences using Mathematica? It looks like it would be a combination of logic and ...
6answers
337 views

### Image of first quadrant under $f(z)=(z+i)/(z-i)$

I'm able to plot the region where Im[z] > 0 and Re[z] > 0: ...
3answers
167 views

### Representing a Stencil of a Finite Difference Operator with Mathematica's Graphics3D

I have the following finite difference operator:  Lu_{ijk}:= du_{ijk} +c(u_{i-1,j,k} + u_{i+1,j,k} + u_{i,j-1,k} + u_{i,j+1,k} + u_{i,j,k-1} + u_{i,j,k+1})\\ -u_{i-1,j+1,k}-u_{i-1,j-1,k} - ...
3answers
809 views

### Visualizing the difference between two sequences (strings)

I'm trying to develop a way of comparing two sequences (probably originally text, such as text writing or source code, possibly converted to lists). As a familiar example, consider the revisions ...
0answers
78 views

### Region plot of more than 3 dimensions

Let $Y = f(x_1, x_2, ... , x_n)$ be a continuous function of $n$ ($n$ is big, say $1000$) variables. I have an inequality, $a \leq Y \leq b$. The problem is to visualize $x_1, x_2,\dots, x_n$ ...
2answers
349 views

### How can I draw a 3D cross-section of a 3-torus embedded in 4D Euclidean space?

I have a $3$-torus ($\mathbf S^1\times\mathbf S^1\times \mathbf S^1$) embedded in 4D Euclidean space. How can I draw the cross-section of this $3$-torus cut by a 3D Euclidean space in an arbitrary ...
0answers
205 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 ...
1answer
164 views

### Dynamic visualization of Graph[] on a webpage

How can we embed a dynamic version of a Graph object on a web page, similar to the one showcased on the networkx home page? This sort of dynamic visualization can ...
3answers
125 views

### How to select interactively datasets to plot with Manipulate

I'm using Manipulate to visualize three datasets: Manipulate[ListPlot[WHAT -> what], {what, {dataset1, dataset2, dataset3}}] Now with this solution I can only ...
0answers
67 views

### How can I increase the speed of a dynamic visualization of a Raster3D?

I have big list of data. Its length is 56203*100 and I partitioned biglist into 100 sublists, so each sublist length is ...
7answers
566 views

### Graphical representation of a moving sound source

Some explanation since I have got a specific and another more open-ended question: I used two microphones in a 90° arrangement (see picture below) to capture sound from a source moving around the room ...
2answers
177 views

### How can I fill an entire Building with transparent points? [duplicate]

I am posting the same code found at an earlier question, although the concept here is totally different. The following code corresponds to a building-shaped structure. ...
3answers
188 views

### How can I fill a wire-frame structure with gas in a Graphics3D drawing?

I am very poor at visualization. I want to make a transparent "building" filled with gas. I wrote the following code for the building and it's fine. ...
3answers
170 views

### How can I draw this plot?

How can I draw a plot like this one? I want to be able to specify the x-axis, y-axis, and z-axis ticks and the number of bars in the plot.
2answers
221 views

### How can I make a transparent 3D Rectangle?

Sorry, I didn't mentioned clearly in my earlier post. I want to build a transparent Rectangle, within which I want to diffuse a certain color of my choice which is ...
1answer
88 views

### How to stop Manipulate changing view point

When using the following manipulate I can rotate the plot and manipulate the value without my view point changing; ...
1answer
113 views

### Create heat map from RMSD values

After looking through these forums for answers that could work for my problem, I could not find anything. I want to make a heat map comparing values that are in a nested list. That is, I have a ...
3answers
449 views

### How can the opacity of a dense data set be automatically chosen?

The problem In a dense data set plotted with opaque points, data points can pile on top of each other. This can cause serious problems with the interpretation of the plots. I'll use as an example a ...
1answer
276 views

### How to start simulating physical problems?

I'm quite new to Mathematica, I have version 9. I need to use it to simulate some physical problems. I know the equations (like Maxwell's equations and Newton's laws and so on), but I have no real ...
5answers
1k views

### Creating ghost trail effects

Does anyone know how to create a ghost trail effect? For a simple example look at this screenshot: You can find the actual animation here. What I would ultimately like to see it happen is to make ...
4answers
818 views

### How to visualize 3D fit

I have a data set of x,y,z values and I fit a function of x,y to the data. This works, but I can't come up with a nice way to ...
1answer
271 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 ...
4answers
201 views

### How to remove ticks?

I wanted to remove the Ticks in my coding but i can't. Here when i try to remove the Ticks the number also gone. I need numbers ...
4answers
1k views

### Spherical density plot of data set

I have a somewhat large number of 3-dimensional unit vectors ( ~ 100 000 unit vectors), and I am trying to visualize their distribution. First thing I tried was ...
2answers
224 views

### ListPointPlot3d to visualize points close to a manifold

I have a large set of points that are close to manifold which I want to show in a ListPointPlot3D. Using part of the data set illustrates this there are fewer ...
2answers
2k views

### How to show solid bodies using volumetric rendering?

Note: This question was asked when Mathematica 8 was latest release. Version 9 has built-in support for volume rendering through Image3D. There's an example on ...
3answers
317 views

### Comparing 2 Data Sets in a Single Plot

I have 2 data sets, data1 and data2 with large (in the thousands) amounts of data and I want to compare them in a plane. They ...
2answers
270 views

### How can I set the background color to the Popupmenu?

I want to set the Background color of a PopupMenu to blue. I already searched in the documentation center, but I didn't find any ...
2answers
159 views

### BarChart with BarOrigin->Left: axis on top

This question is somewhat related to this one. Let's say this is the BarChart i want to make: ...
1answer
259 views

### Anyone recognize this heatmap? [closed]

Anyone know the origins of the attached heatmap/daylight overlay? I see it on the Mathematica homepage all the time and I even saw it once on Wolfram|Alpha launch video. I know there are ways to ...
3answers
460 views

### 3D view of a route shown on a map

You should have already seen such a thing, specially in documentaries about ancient life: the movement of a tribe is shown on an ancient map along a route with a dashed arrow. I want to do the same ...
2answers
413 views

### How can I create facetted histograms?

I love Mathematica, and I would love to be able to use it for all of my data analysis tasks, but there is one type of analysis which I find almost trivial in R, and I have no idea how to approach in ...
1answer
325 views

### Plotting graphics as ASCII plots

I'm occasionally in a situation where I have to use Mathematica on the terminal. I'd like to visualize the solutions I get from NDSolve, but when I use ...
2answers
636 views

### What is the best way to create a correlation matrix heatmap with values?

This may have been asked somewhere else, but I couldn't find an answer by searching. I'm trying to create a correlation table that colors the background behind the numbers as a heatmap. I've been ...
3answers
554 views

### How can I make a heatmap of a days in year?

I know Mathematica has a ListPlot for time series but does it have a function for visualizing a list of dates as a heat map like this: This idea is from D3, check it out here.
2answers
210 views

### Transition between graphs

I want to visually demonstrate the manipulations made to a graph. For instance, I have a graph g where using the command ...
6answers
694 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 ...
1answer
218 views

### How to implement hive plot for graphs in Mathematica?

I'm trying to implement a version of the hive plot advocated in [Kryzywinski, et al., 2012]. There are many examples of such graphs on the author's webpage. It would be good enough for me to have ...
5answers
498 views

### How to visualize the voting choices in the moderator elections?

I'm trying to use Mathematica to create some visual representations of the votes cast in the recent Mathematica-StackExchange moderator elections. (Not the vote-counting system itself, OpenSTV, but ...
3answers
321 views

### How can I regroup elements in a list into a tree based on their values?

I have a list of elements in an outline, here is an example that is only 3 levels deep: ...
0answers
728 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 ...
1answer
203 views

### How can I avoid label collisions? [duplicate]

Possible Duplicate: How can I influence the spaces between labels on a BarChart How can I avoid label collisions in plot ticks and labels? For example, here is a histogram with colliding ...
2answers
426 views

### Higher order periodic interpolation (curve fitting)

I have a list of points in 3D, and I want to get a smooth interpolation or curve fit (it is more for illustration) of these points such that the first and second derivatives at the start and end ...
2answers
298 views

### How can I generate a legend for a BubbleChart?

Is there a way to make a nice disk radius legend (with linear or log scale) for a BubbleChart[]? Something like the following example should be built in!
1answer
368 views

### Mouse motion heat map - live visualization and analysis

Mouse motion heat map is an great way to study spatial attention distribution, styles of movement, reaction, etc. I am trying to design a code that visualizes such heat map. The requirements: 1) It ...
3answers
417 views

### One-dimensional heatmap

I want to plot a heatmap of a set of real points of the interval [0,1] - i.e., to display their linear density in the sense of a smoothed histogram. The idea I have come up so far is to use the ...
1answer
173 views

### Camera Troubles in Mathematica

I'm trying to animate a torus being cut by a plane, so that as the plane enters the torus the part in front of the plane disappears (the idea is to show the cross section). That much I can do, but I ...
{"extraction_info": {"found_math": true, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 14, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0}, "config": {"markdown_headings": true, "markdown_code": true, "boilerplate_config": {"ratio_threshold": 0.18, "absolute_threshold": 10, "end_threshold": 15, "enable": true}, "remove_buttons": true, "remove_image_figures": true, "remove_link_clusters": true, "table_config": {"min_rows": 2, "min_cols": 3, "format": "github"}, "remove_chinese": true, "remove_edit_buttons": true, "extract_latex": true}, "english_confidence": 0.9132120013237, "perplexity_flag": "middle"}