Given a vector of positive integers
a = [ 3 2 4 ];
create the matrix where the i th column contains the vector 1:a(i) possibly padded
b = [ 1 1 1
2 2 2
3 0 3
0 0 4 ];
Distance walked 3D
Largest Twin Primes
Who invented zero?
03 - Matrix Variables 6
Is this triangle right-angled?
Compute sum excluding NaN
Generate a string like abbcccddddeeeee
Set the array elements whose value is 13 to 0
Set some matrix elements to zero
Number of bytes required to store a sparse matrix
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