Top new questions this week:
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I know about SubsetQ but I could not find SublistQ such that SublistQ[a, b] would be true if …
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I would like to solve this following equation with d, the order of the factional derivative (in the sense of Caputo) : So I tried the following code : …
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All of the cells in my notebooks that have the option TextAlignment->Center are broken since updating to MM 13.1. It seems that the TextAlignment option does not update correctly as I change the …
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WARNING: a couple of days ago I posted a similar question, but due to the impossibility of DirichletCondition[] to handle “cross-coupling of dependent …
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If you search for “pokygon” in google.com, then google automatically fix error, and searches for “polygon”. Like google.com, if you search for “pokygon” in mathematica (V …
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As in this question, I’d like to extract a surface from RegionPlot3D. Unfortunately, the suggestion to use ContourPlot3D in that …
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below is my code for a gravitational n-body problem. I know Mathematica has a n-body simulation function however I am programming this to learn Mathematica more and programming numerical techniques. …
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Greatest hits from previous weeks:
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Trying to plot with complex quantities seems not to work properly in what I want to accomplish. I would like to know if there is a general rule/way of plotting when you have complex counterparts in …
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How can I draw the 5 interlocking Olympic rings with Mathematica? (SVG version) Edit Hard choice, but some pretty cool answers here. I didn’t have 3D answers in mind when I posted the question, but …
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‘Tis the season… And it’s about time I posed my first question on Mathematica Stack Exchange. So, here’s an holiday quest for you Graphics (and P-Chem?) gurus. What is your best code for generating …
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I’m aware that I can use (* … *) to comment out stuff in a notebook. Many languages have a syntax for single-line comments, such as …
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I want to get the following expression from Mathematica to $\LaTeX$: \begin{bmatrix} E_{\parallel} \\ E_{\perp} \end{bmatrix} I have tried to use inbuilt ‘symbol’ character from the special …
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Python’s family of packages for scientific computing has matured rapidly. I can pretty much replicate all of Mathematica’s functionalities, but with production level and open-source code using the …
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I’m trying to get the eigenvalues of a one dimensional time-independent Schrödinger equation, $-\frac{h^2}{2m_0}\frac{d^2\psi}{dx^2}+U(x)~\psi=Ei~\psi$ where U(x) is some potential and Ei is the …
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Can you answer these questions?
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Group openers are helpful as they tell the user if a cell group is open or not. Cell brackets give even more information as they also display what constitutes the cell group. The latter is very …
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I have a function $f(x, \alpha, \beta)$. The function is piecewise defined and not analytically integrable. I would like to do the following: draw from a distribution on $\alpha$ and $\beta$, compute $…
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How can I rewrite an expression like $\frac{1}{2\sqrt{3}}$ as $\frac{1}{\sqrt{12}}$? This works in principle, but gets immediately simplified back to the original expression …
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