Make a square matrix with this shape. For n=4
1 1 0 0
1 0 1 0
0 1 0 1
0 0 1 1
Find the numeric mean of the prime numbers in a matrix.
radius of a spherical planet
Make one big string out of two smaller strings
Make a random, non-repeating vector.
Largest Twin Primes
Altitude of locations on the earth
Derivative of polynomial
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