9.11.1 Top new questions this week

9.11.1.1 Dot Product and Simplification

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=282927

How to simplify the expression 
  a b . x/((a b) . x) 
Where a is a scalar and b and x are vectors. 
I have tried the usual Simplify, FullSimplify, TensorExpand etc. ... 
[vector] [dot]
 

asked by Breugem https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9190 Score of 8

answered by thorimur https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63584 Score of 9

9.11.1.2 Since when does Mathematica have an 'Inf' symbol?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=282813

When I do: 
... 
[numerics] [machine-precision] [number-representation]
 

asked by berniethejet https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=365 Score of 7

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

9.11.1.3 Alternative Material Models for Finite Element

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=283020

The Solid Mechanics capabilities of Mathematica make it an interesting alternative to using other software especially when considering multi-physics problems. I would like to collect here (for the ... 
[finite-element-method] [modeling] [solidmechanics]
 

asked by Dunlop https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=40819 Score of 6

answered by Dunlop https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=40819 Score of 4

9.11.1.4 How can I check if the matrix is of the following form?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=282926

$\left( 
\begin{array}{cccccc} 
-a & 0 & 0 & 0 & 0 & 0 \\ 
0 & a & 0 & 0 & 0 & 0 \\ 
0 & 0 & -a & 0 & 0 & 0 \\ 
0 & 0 & 0 & a &... 
[matrix]
 

asked by Anixx https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=651 Score of 6

answered by Syed https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81355 Score of 9

9.11.1.5 Table does not give expected result with `30 but right with `40

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=282839

I want Mathematica to generate a table, but I am very confused by its behaviour. 
 tab = Table[i, {i, 6.311, 6.312, 0.001}] 
 
Now I get the desired result, namely {6.... 
[machine-precision] [table]
 

asked by Charlotte Myin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89709 Score of 6

answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999 Score of 7

9.11.1.6 Convert list of conditional expressions to list

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=282775

I have a long list of items of the form 
... 
[replacement] [conditional]
 

asked by rogerl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=790 Score of 6

answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 Score of 7

9.11.1.7 Is there a way to extract the function used in NetEncoder[ "Function", ...  ]?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=282990

Is there a way  programmatically and with documented functions  to extract the function used in a  NetEncoder[{"Function",...}]  type encoder? I want to ... 
[neural-networks] [introspection]
 

asked by Hbar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=8688 Score of 4

answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 4