9.26.1 Top new questions this week

9.26.1.1 What is Mathematica's equivalent to Maple's collect with distributed option?
9.26.1.2 Apply a function row- and columnwise
9.26.1.3 StreamStyle options of StreamPlot is not passed to Texture on ParametricPlot3D surface
9.26.1.4 How can I change elements in a matrix to a combination of other elements?
9.26.1.5 Design a function that gives all strict partitions of an integer
9.26.1.6 How to check that these triangles are exactly the same triangle?
9.26.1.7 Find the farthest pairs of two points in 2-dim
9.26.1.1 What is Mathematica's equivalent to Maple's collect with distributed option?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=288202

Given a polynomial in $x,y$, I want to collect on $x,y$ and any products of these also. As given using Maple's collect with the distributed option. 
Currently Mathematica will collect on $x$ then ... 
[polynomials] [algebraic-manipulation] [maple]
 
asked by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 17
answered by xzczd https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1871 Score of 17
9.26.1.2 Apply a function row- and columnwise

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=288214

I want to a apply a function to the 2nd row and 2nd column of an association: 
... 
[matrix] [function-construction] [associations]
 
asked by eldo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=14254 Score of 7
answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 10
9.26.1.3 StreamStyle options of StreamPlot is not passed to Texture on ParametricPlot3D surface

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=288292

I have a vector field,  Pdt1  I am trying to use as the texture for a  ParametricPlot3D  plot. 
When I plot the vector field with the ... 
[plotting] [textures]
 
asked by valcofadden https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=66867 Score of 6
answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 4
9.26.1.4 How can I change elements in a matrix to a combination of other elements?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=288122

Suppose I have a list like 
 { 
{x1,y1,z1}, 
{x2,y2,z2}, 
{x3,y3,z3}, 
... 
} 
 
and I want to change it to 
... 
[list-manipulation] [matrix] [function-construction]
 
asked by Delaram Nematollahi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75560 Score of 6
answered by lericr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84894 Score of 10
9.26.1.5 Design a function that gives all strict partitions of an integer

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=288361

A strict partition of an integer has all distinct parts. There are no duplicates like 1 in {5,3,1,1} for 10. All the parts are unique. Sylvester created a bijection between the partitions of an ... 
[performance-tuning] [combinatorics] [number-theory] [partitions]
 
asked by Peter Burbery https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76873 Score of 5
answered by 138 Aspen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=79318 Score of 3
9.26.1.6 How to check that these triangles are exactly the same triangle?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=288381

I have $6$ triangle: 
 tris = Triangle/@Permutations[{{0,0,0},{1,0,0},{0,1,1}}] 
 
They are in every sense the same triangle. But how to check that these triangles are ... 
[expression-test]
 
asked by yode https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=21532 Score of 5
answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 9
9.26.1.7 Find the farthest pairs of two points in 2-dim

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=288329

I wonder if Mathematica can find the pairs of two points that are the farthest in a given list. 
Let's say a list,  XYlist , of points with (x,y) coordinates. 
... 
[regions] [distance] [subset]
 
asked by Taiki Bessho https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=41001 Score of 5
answered by Syed https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81355 Score of 4