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]
Remove white space from the string
Duplicate each element of a vector.
Is it an Armstrong number?
Area of an Isoceles Triangle
Narcissistic number ?
Flexible Anonymous Function
Get ranks of values in a vector
Raise Matrix to Power
Count up then down
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