1.7 Thursday, April 1, 2021

1.7.1 Top new questions this week
1.7.2 Greatest hits from previous weeks
1.7.3 Can you answer these questions?

1.7.1 Top new questions this week

Are Mathematica’s maps copyright-free?
Find all English words that can be comprised of Element Abbreviations found in the Periodic Table
Efficient uniform sampling of certain Boolean matrices
Incorrect integration from article?
Running Mathematica in ’SpouseMode’
Putting together several ListPlot 2D in a 3D graphic
Combine SortBy with ReverseSortBy

Are Mathematica’s maps copyright-free?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243660

Are the maps available in Mathematica copyright-free? For instance, if I generate the image

asked by sam wolfe https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=64001 13 votes

answered by Carl Lange https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57593 24 votes

Find all English words that can be comprised of Element Abbreviations found in the Periodic Table

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243664

This question is majorely influenced by a meme...

Now, I thought... it would be interesting to see what kind of "passwords" could one derive using Periodic Table :D Hence, I began to work ...

asked by e.doroskevic https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=18696 9 votes

answered by creidhne https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41569 3 votes

Efficient uniform sampling of certain Boolean matrices

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243547

I want to uniformly sample \((0,1)\)-matrices with certain constraints. In particular, I want sum of each row to be rowsum and the sums of columns to equal ...

asked by kirma https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=3056 8 votes

answered by Szabolcs https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12 7 votes

Incorrect integration from article?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243711

Recently I came across an interesting article by Daniel Lichtblau, where the integral

Integrate[Abs[x - y]^n, {x, 0, 1}, {y, 0, 1}]

asked by user64494 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=7152 7 votes

answered by Ulrich Neumann https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53677 8 votes

Running Mathematica in ’SpouseMode’

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243859

In this previous question I looked into a deprecated capability of Mathematica from Version 2. Mathematica command that allows it to read my intentions Thanks to all for your answers. I note that ...

asked by MikeY https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47314 6 votes

answered by MikeY https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47314 1 vote

Putting together several ListPlot 2D in a 3D graphic

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243823

I’m trying to put together several different 2D plots in a 3D graphics to create a figure which would be like the one below (taken from https://aip.scitation.org/doi/10.1063/1.4998724 However my ...

asked by AntoineM https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79171 6 votes

answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 4 votes

Combine SortBy with ReverseSortBy

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243776

Suppose I have a dataset, which I want to sort according to two criteria. However, I want the first criteria to be sorted ascending, and the second descending. This would require to somehow combine ...

asked by Gabriel Landi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=347 6 votes

answered by SquareOne https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19960 3 votes

1.7.2 Greatest hits from previous weeks

How to add a front-end to the free Wolfram Engine?
How to express trigonometric equation in terms of of given trigonometric function?
What’s the most difficult multidimensional integral that Mathematica has solved?
Standard deck of 52 playing cards in curated data?
Even Fibonacci numbers
How do I clear all user defined symbols?
How to perform a multi-peak fitting?

How to add a front-end to the free Wolfram Engine?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=198839

https://blog.stephenwolfram.com/2019/05/launching-today-free-wolfram-engine-for-developers/

http://www.wolfram.com/engine/

The Free Wolfram Engine for Developers is available for pre-production ...

asked by Alexey Golyshev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23402 65 votes

answered by Alexey Golyshev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=23402 55 votes

How to express trigonometric equation in terms of of given trigonometric function?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=434

How can I express a trigonometric equation / identity in terms of a given trigonometric function?

using following trigonometric identities

asked by Prashant Bhate https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=99 30 votes

answered by Simon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=34 37 votes

What’s the most difficult multidimensional integral that Mathematica has solved?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=222184

I am interested in benchmarking numerical integration methods and am trying to develop a wider set of difficult multivariate examples. For my particular methods, I only want to look at non-negative-...

asked by ben18785 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=19278 6 votes

Standard deck of 52 playing cards in curated data?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16108

I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included?

If not, is there a way ...

asked by JohnD https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1629 25 votes

answered by rm -rf https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5 23 votes

Even Fibonacci numbers

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=37266

Today, I found the Euler Project. Problem #2 is

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:

asked by xyz https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9627 34 votes

answered by rcollyer https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=52 46 votes

How do I clear all user defined symbols?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=850

Is there some way to do this other than going to Evaluation -> Quit kernel and firing a new one up?

asked by niklasfi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82 99 votes

answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 98 votes

How to perform a multi-peak fitting?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=26336

I am wondering how to implement the multi-peak detecting and fitting in Mathematica. Following is an example of fitting the data using three peaks (such that the data ~ peak1 + peak2 + peak3). The ...

asked by Everett You https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1389 55 votes

answered by Silvia https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=17 55 votes

1.7.3 Can you answer these questions?

pure function assignment
Graphics get cropped when wrapped in Hyperlink and Inset in MMA 12.2 (doesn’t seem to happen on 12.1 RPi) Bug?
Does Mathematica have build-in function to compute dimension of square polynomial system?

pure function assignment

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243708

I do not understand this statement from the Introduction to Dynamic tutorial:

asked by Dave https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79143 1 vote

answered by MarcoB https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=27951 0 votes

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243637

I’ve noticed that wrapping a Graphic[] in Hyperlink[] causes weird things to happen when using ...

asked by Mike H https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79121 1 vote

Does Mathematica have build-in function to compute dimension of square polynomial system?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=243849

I’m working with square polynomial systems and wish to know if a (small) system has a finite number of solutions. That is, if it’s zero-dimensional. I’m not aware of any built-in function to do this ...

asked by Dominic https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47466 1 vote