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52
votes
8answers
7k views
+150

How to plot ternary density plots?

How can I get a ternary density plot just like the plots from OriginLab? ContourPlot and DensityPlot seemingly can accept the <...
0
votes
0answers
64 views
+50

Enforcing Boundary Conditions While Using Arnoldi To Find Eigenvalues Of Matrix Representation Of Laplacian

See bottom for amendment Good day. I want to compute an estimate of the spectrum for a free particle inside a tetrahedral box defined by these coordinates ...
5
votes
1answer
172 views
+250

Prove $R^\top R = I_3$ and find skew-symmetric matrix $R^\top \dot R$

Consider the following operator defined over unit vectors of $\mathbb{R}^3$: $$R(u,v) = (u\cdot v)I_3 + hat(u\times v) + \dfrac{(u\times v)\otimes (u\times v)}{1+u\cdot v}$$ ...
6
votes
2answers
294 views
+500

Continued fraction expansion of a rational function

Maybe I'm missing something, but what would be a good way to calculate the continued fraction expansion of a rational function $Z(s) = N(s)/D(s)$? The built-in function ...
3
votes
1answer
52 views
+50

Optimizing some code for WolframCloud deployment/publishing

I am working on creating a demonstration and came across an instance where my code works fine on my machine locally but breaks down when deployed to the cloud (so that it can be publicly accessed). I ...
0
votes
0answers
21 views
+100

How to use _Complex types in CUDAFunctionLoad?

The documentation for CUDAFunctionLoad specifies various base datatypes you can use for your function's arguments, including ...