Write a function that when given an odd number, produces an arrow-head function pointing to the right.
n = 3
n = 5
[ 1 0 0
0 1 0
0 0 1
1 0 0]
Find common elements in matrix rows
Angle between two vectors
Back to basics 17 - white space
Solve the set of simultaneous linear equations
Sum the entries of each column of a matrix which satisfy a logical condition.
Get ranks of values in a vector
Apply a function array to an array of numbers
Handle to an array of functions
Raise Matrix to Power
Count up then down
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