2.7 Thursday, November 5, 2020

2.7.1 Top new questions this week

Why is there a discrepancy between JoinedCurve/FilledCurve and the underlying BSplineCurve segments?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233846

This may be related to How to discretize a BezierCurve?, but this question deals with BSplineCurves with specific SplineWeights, ...

asked by robjohn https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=232 10 votes

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 8 votes

Converting an equation with units to one without units

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233804

I may have a solution but it is not slick! See below Doing numerical calculations with functions that use units can be very slow. I would like to have a function or operator that can turn my functions ...

asked by c186282 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4515 6 votes

answered by march https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29734 2 votes

Generate an e machine graph from transition probability matrices

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=234036

I am trying to generate this type of graphic:

see Fig.1a from https://arxiv.org/abs/0905.3587. This process is associated with two transition matrices

asked by AG1123 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36275 6 votes

answered by Anton Antonov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34008 7 votes

Deconvolution approaches for 3D data

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233877

Building neural nets in the WL is great. I was in the process of rewriting a previous GAN of mine in the WL to see if I can get better performance, and was surprised to find that the standard ...

asked by BBirdsell https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=49805 6 votes

construct a lattice with a defined unitcell

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233863

We can construct a base-centered tetragonal unit cell by: LatticeData["CenteredTetragonal", "Image"]

But how can we construct a lattice by

asked by Inzo Babaria https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=33967 6 votes

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 7 votes

How to remove Null plot markers in QuantilePlot?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233816

Bug introduced in 12.0 and persisting in 12.1.1

I want to change the plot markers of the data points in QuantilePlot. This seems pretty straightforward:

asked by Q.P. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27119 6 votes

answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 5 votes

Split in non-overlapping sub-lists with elements within an interval from the first member

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233767

I want to split a large ordered list into consecutive non-overlapping sub-lists, such that all elements are within an interval from the first member of the sub-list . For example:

asked by Oleg https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75470 6 votes

answered by WReach https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=142 7 votes

2.7.2 Greatest hits from previous weeks

Code that generates a mandala

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=136974

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.

asked by zeros https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=26849 73 votes

answered by Anton Antonov https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34008 97 votes

How to create word clouds?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=2334

Word clouds are rather useless fancy and visually appealing plots, where words are plotted with different sizes according to their frequency in a corpus. Many applications exist out there (Wordle, ...

asked by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 145 votes

answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 119 votes

How can I draw the Olympic rings with Mathematica?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=8885

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 ...

asked by Mike Honeychurch https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=77 44 votes

answered by cormullion https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=61 23 votes

Calling Correct Function for Plotting DiracDelta

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3506

I am wondering what is the correct function in Mathematica to plot the true impulse function, better known as the DiracDelta[] function. When using this inside of a ...

asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 17 votes

answered by Heike https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46 19 votes

How to create effect like Van Gogh’s stroke brush?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=39003

I need to apply Van Gogh’s stroke brush effect to a random image Take the following image as an example:

Thank you so much if you could help!

asked by user10495 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=10495 34 votes

answered by Simon Woods https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=862 51 votes

Parallel and perpendicular symbol from Mathematica to LaTeX

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=46538

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 ...

asked by Steve Hatcher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=13314 19 votes answered by Sjoerd C. de Vries https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57 27 votes

Help find a bright object on Mars!

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=11819

In today’s news, scientists found a bright object on one of Curiosity’s photos (it’s near the bottom of the picture below). It’s a bit tricky to find - I actually spent quite some time staring at the ...

asked by Victor K. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1351 198 votes

answered by Niki Estner https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=242 257 votes

2.7.3 Can you answer these questions?

How can I determine and then plot a confidence bands in QuantilePlot?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233931

Does anyone know if its possible to plot a confidence band in QuantilePlot? I haven’t been able to find any documentation for this, or a previous example on here.

asked by Q.P. https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27119 3 votes

How to remove the smallest term from asymptotic expansion?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233823

It is well-known that \(e^{-1/x}\sim o(x^n)\) as \(x\to 0^+\) for any \(n\in \mathbb {N}\), thus if I do an asymptotic expansion for a function, say \(f=1/(1-x)+e^{-1/x}\) as \(x\to 0^+\), I expect to receive an ...

asked by user142288 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=59534 5 votes

Solving the following system of integrodifferential equations: speed up of the code

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=233726

Consider a system of equations

asked by John Taylor https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41058 1 vote