For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals.
1 2 3 4
5 6 7 8
8 10 12 -2
-1 -3 -5 -7
surface of a spherical planet
Back to basics 14 - Keywords
Compute a dot product of two vectors x and y
Number of Horns on a unicorn!
kmph to mps
count upper and lower case characters
Check for keywords
Remove white spaces at the end of the input string
Basics: counting digits of a number irrespective of the sign
Basic matlab numeric and string manipulations
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