Top new questions this week:
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I am running Mathematica 13.2 on a Mac OS Monterey. I have a large code that manipulates graphs both in graph form and as adjacency matrices, computes some graph properties, and returns a list. It has …
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I have the following integral: Integrate[1/(Sqrt[2] + Cos[4 X] + Sin[4 X]), X, Assumptions -> Element[X, Reals]] // Simplify …
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How can I use this type of marker for this? …
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I am trying to solve the 2D heat equation $$ \begin{cases} u_{t}-u_{x x}-u_{y y}=f \\ u(0, x, y)=\sin (2 \pi x) \sin (2 \pi y) \\ u(t, 0, y)=0 \\ u(t, x, 1)=0 \\ u_{x}(t, 1, y)=2 \pi e^{-t} \sin (2 \…
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I have two functions ang and sqa, each of which take two arguments which must be distinct integers between 1 and 6. For instance I could have ang[2,1] or …
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I tried to use FindPlanarColoring on the following planar graph: …
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I need a function that unwraps a singleton atom from an arbitrary nested list and returns all other expressions unchanged. I have come up with the following solution: …
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Greatest hits from previous weeks:
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I need to change the position of my axes labels such that the y-axis label is in the middle and parallel to the y-axis. I’d also like the x-axis label to be in the middle of the x-axis rather than …
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Being a theoretical physicist, I always have a great respect for Spherical Cow. So I thought about making one myself. I am not sure how can I create (something considered to be the simplest!) this …
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My little brother asked me to print original mandalas for coloring. I would like some idea on how to create them, but without color, so he can color them. examples
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I want to plot the following function: $$\int \left(\frac{\Gamma (x+1)}{2}-\frac{\Gamma (x-1)}{2}\right) \, dx$$
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I asked Mathematica to compute the following Solve[c (1-x)^2-x^(1/4) == 0, x] and it returned this: x = Root[#1^8 c^4 – 8 #1^7 c^4 + 28 #1^6 c^4 – 56 #1^5 c^4 …
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If we have two vectors, $a$ and $b$, how can I make Jacobian matrix automatically in Mathematica? $$ 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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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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Can you answer these questions?
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My version is 13.2 on Mac. When modifying association I find the following incoherences between AssociateTo/KeyDropFrom and <...
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In this paper, they are using an expander graph. It seems like it’s just a Cayley graph for $SL(2,Z_p)$, where $P$ is a prime number. How do I go about making a Cayley graph as shown in the first of …
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I was trying code which worked all the time: How to extend a function by period and display it I find that in V 13.2 it now gives Why is that? has something changed in V 13.2 to explain this? Below I …
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