Top new questions this week:
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Inspired by Interesting ways to write 2023, I was wondering if there are ways to automate the search for results using MMA. I tried …
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I’d like to create a shortcut to convert a selected symbol, say \[Delta], into its rough equivalent formal symbol (i.e., …
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Consider this toy example: …
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I wrote a simple code to test the computation time under CompilationTarget->”C”. I get barely any improvement on the computation time from …
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Hi, I have never worked on a project of this kind before. I am having difficulty using Kapitza’s Pendulum (inverted pendulum with moving vertical base). It is hard for me to make the model equations, …
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I am fairly new to mathematica. I was given two lists i.e {x1, x2, x3, x4} and {a,b,c,d} and I had to produce the following: {x1->a,x2->b,x3->c,x4->d} …
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Calculate inertia tensors This topic inspired me to experiment with calculating tensors of more complex shapes of rigid bodies (I did not find them in the Mathematica database). For simple shapes of …
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Greatest hits from previous weeks:
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At the moment I am trying to construct a bifurcation diagram of the iterative function $f(x)=$ $ax-1.1975x^3$. I’ve scoured the internet for pre-made bifurcation diagrams and found many (mostly of the …
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I’m trying to plot a phase portrait for the differential equation $$x” – (1 – x^2) x’ + x = 0.5 \cos(1.1 t)\,.$$ The primes are derivatives with respect to $t$. I’ve reduced this second order ODE to …
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According to the Mathematica help: Round rounds numbers of the form x.5 toward the nearest even integer. For example: Round[{0.5, 1.5, 2.5, 3.5, 4.5}] gives …
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Is it possible to export the output expressions from Mathematica computations (e.g., equations) in valid MATLAB syntax?
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I would like to list all possible times in a 12-hour period, where the hour hand overlaps the minute hand completely. This is really a question about three distinct things – to be done in Mathematica …
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I understand Mathematica can’t assign the results of a Solve to the unknowns because there may be more than 1 solution. How can I assign the 4 values of following result to variables? …
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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 want to use specific python libraries via the Mathematica frontend. This is possible as follows …
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Is there a way to have a more common output format on MixedUnit? …
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I want solve these Algebraic differential equations, with arbitrary constants and initial conditions …
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