================================== Top new questions this week: ==================================
[Is it possible to draw this figure using Mathematica?] http://mathematica.stackexchange.com/questions/110848/is-it-possible-to-draw-this-figure-using-mathematica
The figure is
See the how-to video or a speeded-up GIF.
I believe it should be possible to draw this figure programmatically using some Random function, but I’m rather new to Mathematica, so I ...
- asked by AccidentalFourierTransform (42 votes), answered by M.R. (65 votes)
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[Is there a simple strategy to determine whether a point is inside a boundary?] http://mathematica.stackexchange.com/questions/111114/is-there-a-simple-strategy-to-determine-whether-a-point-is-inside-a-boundary
For a ellipse \(E(\theta )\), which owns the parametric equation as follows:
\(\begin {cases} x = a \sin \theta + b \cos \theta + c \\ y = d \sin \theta + e \cos \theta + f \\ \end {cases}\)
Now, I have a ...
- asked by Shutao TANG (17 votes), answered by RunnyKine (19 votes)
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[How to divide the wine into two equal portions] http://mathematica.stackexchange.com/questions/111250/how-to-divide-the-wine-into-two-equal-portions
There is a 8-liter bottle is full of wine. There are two empty bottles that have capacity 5-liters and 3-liters. How can these three bottles be used to separate the wine into two 4-liter portions?
...
- asked by yode (14 votes), answered by Simon Woods (21 votes)
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[solve this probability problem symbolically] http://mathematica.stackexchange.com/questions/110789/solve-this-probability-problem-symbolically
Consider a unit square, Pick two points P and Q uniformly at random inside the square, What is the probability that |PQ|>1?
I tried solve this problem
...
- asked by mathe (11 votes), answered by ubpdqn (9 votes)
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[Radial distribution function] http://mathematica.stackexchange.com/questions/110743/radial-distribution-function
I have tried to rewrite my old IDL code to calculate the radial correlation function for a regular 2D crystal structure.
The theory behind this function is given here: ...
- asked by mrz (10 votes), answered by RunnyKine (11 votes)
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[How to plot GDPs in this way?] http://mathematica.stackexchange.com/questions/110901/how-to-plot-gdps-in-this-way
Actually the current answer is very wonderfull.The bouns just for someone can complete this question.
I found this interesting plot of how the relationship between the GDPs of different countries has ...
- asked by yode (10 votes), answered by C. E. (13 votes)
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[Interesting Progression of ParametricRegion: Bug?] http://mathematica.stackexchange.com/questions/110791/interesting-progression-of-parametricregion-bug
Consider the following ParametricRegion from an answer to this question:
region = ParametricRegion[{{(1 + r - 12 r^2 + 4 r^3)/(2 r - 2), z Sqrt[(4 r^2)/(r - 1)^2 (r - r^2 (r - 3)^2)]}, 2 ...
- asked by RunnyKine (10 votes)
================================== Greatest hits from previous weeks: ==================================
[How do I clear all user defined symbols?] http://mathematica.stackexchange.com/questions/850/how-do-i-clear-all-user-defined-symbols
Is there some way to do this other than going to Evaluation -> Quit kernel and firing a new one up?
- asked by niklasfi (41 votes), answered by Artes (34 votes)
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[How to create word clouds?] http://mathematica.stackexchange.com/questions/2334/how-to-create-word-clouds
Word clouds are rather useless fancy and visually appealing plots, where words are plotted with different sizes according to their frequency in a corpus. Many applications exist out there (Wordle, ...
- asked by Istvan Zachar (126 votes), answered by Heike (105 votes)
================================== Can you answer these? ==================================
[Overlay Inside a Grid/Column/Row Not Working] http://mathematica.stackexchange.com/questions/110836/overlay-inside-a-grid-column-row-not-working
Here is a microscopy image of some cells I want to make measurements on with Mathematica:
In order to make some measurements of cells in a microscopy image I have written a simple dynamic overlay ...
- asked by user13999 (3 votes)
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[WeightedAdjacencyMatrix does not complete for Connected Graph] http://mathematica.stackexchange.com/questions/111007/weightedadjacencymatrix-does-not-complete-for-connected-graph
Please see code snippet below - I have a weighted, connected graph that models a software process using a DiscreteMarkovProcess. I set some of the edge weights to zero to "turn off" some of the ...
- asked by Chris Ruhl (3 votes)
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[Counting automorphisms that preserve a group action] http://mathematica.stackexchange.com/questions/111102/counting-automorphisms-that-preserve-a-group-action
Note: the math, I believe, is not the problem here. The issue is not that I get the wrong answer, just that my code does not terminate. So, if you do not feel comfortable with the problem below, I do ...
- asked by Gerald (5 votes)