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 ];
Project Euler: Problem 7, Nth prime
Whether the input is vector?
02 - Vector Variables 2
03 - Matrix Variables 3
Sort an array of structures
Return unique values without sorting
Create a matrix from a cell
Fill a zeros matrix
Convert a structure into a string
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