Given n as input Draw a 'X' in a n-by-n matrix.
y=[1 0 1
0 1 0
1 0 1]
y=[1 0 0 1
0 1 1 0
0 1 1 0
1 0 0 1]
Alphabetize by last name
Read a column of numbers and interpolate missing data
Back to basics 7 - Equal NaNs
Area of a circle
Given a square and a circle, please decide whether the square covers more area.
Calculate mean value of any pair in a vector.
Draw a 'N'!
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