This should be quite straightforward but at 2a.m. my brains are not working 100%. ;)
I has exactly the same idea!!
but on the second line I used directly the logical indexing... ;-)
Find state names that end with the letter A
Least common multiple of many numbers
Back to basics 19 - character types
Duplicate each element of a vector.
Calculate the area of a triangle between three points
A SUBSREF variant that accepts the 'end'-operator.
Mmm! Multi-dimensional Matrix Multiplication
Power supply: 230V to 115V
Only once: cleaning up your columns
Order of things - 1
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