11.32.1 Top new questions this week

11.32.1.1 Strange issue with numerical integration

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315374

I have mathematica 14.3. 
I have encountered a weird issue when numerically integrating this complicated function 
... 
[numerical-integration]
 

asked by jkb1603 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=65759 Score of 6

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 4

11.32.1.2 Every repetition of the same list manipulation takes longer

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315372

Consider a list: 
 list = RandomReal[{-15000, 20000}, {#, 2}] & /@ 
RandomInteger[{1950, 2100}, 16000]; 
 
And a simple function mapped over it: 
... 
[list-manipulation] [performance]
 

asked by Anton https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81381 Score of 5

answered by David Keith https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=44700 Score of 5

11.32.1.3 Compute the integer hull of a polyhedral set in Mathematica

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315379

Computing the integer hull of a polyhedral set creates the smallest convex set (polytope) containing all the integer points within the original polyhedral set. 
(? The two convex hulls have the same ... 
[computational-geometry] [combinatorics] [paper-reproduction] [wolfram-mathematica]
 

asked by 138 Aspen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79318 Score of 5

answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178 Score of 5

11.32.1.4 DSolve returns only trivial solution for $t y' = 3y$

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315351

WRI CASE:5291279 
 
The textbook says that the differential equation 
\begin{align*} 
t y' &= 3 y\\ 
y(0) &= 0 
\end{align*} 
has a solution $y= c_1 t^3$ for any $c_1$.... 
[differential-equations] [calculus-and-analysis]
 

asked by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 5

answered by Dr. Wolfgang Hintze https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=16361 Score of 2

11.32.1.5 Color GeoPath according to current distance traveled

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315385

Consider a typical  GeoPath , such as: 
... 
[geopath]
 

asked by David G. Stork https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9735 Score of 5

answered by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172 Score of 3

11.32.1.6 How to determine if ode is linear or not in Mathematica?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315391

Mathematica does not have builtin function to determine if ode is linear or not. 
Currently I use the code below, but it can give false negative. For example, the ode $\frac{1}{y'(x)} = x$ is linear ... 
[differential-equations] [calculus-and-analysis]
 

asked by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 4

answered by A. Kato https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=62063 Score of 2

11.32.1.7 Reliably identifying a small set of spoken letters

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315403

I am trying to perform speech recognition within Mathematica, for a case where there are a fixed set of spoken options, and the options are a fixed set of letter names (a, b, c etc). 
Using 
... 
[speech] [recognize]
 

asked by abwatson https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1709 Score of 3