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
Twins in a Window
Back to basics 25 - Valid variable names
Are all the three given point in the same line?
Reverse the elements of an array
Combinations without using nchoosek
Make a logical diamond using GALLERY function
Generate a string like abbcccddddeeeee
Compute sum excluding NaN
Get the elements of diagonal and antidiagonal for any m-by-n matrix
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