Create an n-by-n matrix with elements ranging from 1 to n^2 in a rectangular spiral pattern.
Example if n = 5 :
21 22 23 24 25
20 7 8 9 10
19 6 1 2 11
18 5 4 3 12
17 16 15 14 13
Back and Forth Rows
Stuff the Board
Test if two numbers have the same digits
Sum the elements in either diagonal of a square matrix
Create matrix of replicated elements
Make a logical diamond using GALLERY function
Return unique values without sorting
Cody Computer Part 3 - Detect the graphic card used on Cody Computer
Find the list of all open files
Compute sum excluding NaN
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