2.1.3 Can you answer these questions?

2.1.3.1 How to determine if a number is an integer power?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=236779

How can I do simple tests like determining if an integer is a power of 2? Mathematically, the result below should be True, and I understand why it doesn’t work on MMa, but how do I do this test ...

asked by Jerry Guern https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=20042 1 vote

2.1.3.2 dot product of vectors with noncommutative elements

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=237042

I came upon an interesting problem. Suppose you have three vectors \(\psi =(a, b)\), \(\phi =(c,d)\) such that their components do not commute: \(ac\neq ca\), \(bd \neq db\) etc. (in general the vectors may ...

asked by geom https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=68502 1 vote

2.1.3.3 How to Inherit Arrowheds size?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=236932

I’m trying to write a Module that produces some arrows with custom Arrowhead shapes. However, I want the code external to the

asked by Wynne https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36616 1 vote