Top new questions this week:
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I was following a solved problem from the book mentioned below on the Henon map. However, even after correcting that I still get an error on execution. I am unable to find the exact cause. …
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One can specify the second argument of SortBy not to sub-sort ties, i.e. cases that have identical values according to the main sorting function. …
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I want to draw this shape in Mathematica. I don’t know what to start with. Can I use BezierCurve? Or should I try to form an equation that could end up in this …
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Partitioning a List into sub-lists and placing them directly into a Grid orders sub-lists across rows. Is there an idiot-proof built-in function or a simple …
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This is my very first question and I really appreciate this ability and thankful the community. I have two lists and need to select only those pairs from the first list, first element of which is …
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I’d like to write a function whose arguments contains symbols that are automatically localized, just like some built-in functions, like Sum. Even better, I’d like to see the symbols’ color change, to …
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I have the following Mathematica code: …
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Greatest hits from previous weeks:
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I need to create a plot for export and inclusion in a report. Is there a better way to label curves than PlotLegends? From what I’ve read and my personal experience,…
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How can I compute the normalization constant for a quantum mechanics wave-function, like $\Psi(x) = N \exp(-\lambda x^2/2)$ by using Mathematica? (The normalization constant is $N$).
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I’ve seen questions before such as “What is the best open-source equivalent for Mathematica?”, but that specific question (and that line of inquiry in general) cares more about the computer algebra …
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testData = Table[N@Sin[500 x], {x, 0, 100}]; ListLinePlot[Abs[Fourier[testData]], PlotRange -> Full] Gives me Which I do not expect because the Fourier …
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I want to plot the following function: $$\int \left(\frac{\Gamma (x+1)}{2}-\frac{\Gamma (x-1)}{2}\right) \, dx$$
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How to calculate the integral of $\frac{1}{\sqrt{4 z^2 + 4 z + 3}}$ over the unit circle counterclockwise for each branch of the integrand?
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If we have two vectors, $a$ and $b$, how can I make Jacobian matrix automatically in Mathematica? $$ a=\left( \begin{array}{c} x_1^3+2x_2^2 \\ 3x_1^4+7x_2 \end{array} \right);b=\left( \begin{array}{…
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Can you answer these questions?
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I have a linear State Space model and was trying to tell if it was completely controllable. When I get the matrix with ControllabilityMatrix and then calculate the rank I get an incorrect matrix rank …
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This is for a research project on meditation. A music-type person composed for me an audio for paced breathing, which consists of some undulating tones. I would like to convert it to a smooth …
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