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 ];
Sorted highest to lowest?
vectorization in N
Back to basics 22 - Rotate a matrix
Side of an equilateral triangle
Create a vector
Multiply 2 numbers
Combinations without using nchoosek
Join Strings with Multiple Different Delimiters
Set some matrix elements to zero
Compute sum excluding NaN
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