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 ];
Back and Forth Rows
Reverse Run-Length Encoder
Back to basics 14 - Keywords
letter yes yes & letter no no
Combinations without using nchoosek
Number of bytes required to store a sparse matrix
Wind outward from the center ...
Join Strings with Multiple Different Delimiters
Create a vector whose elements depend on the previous element
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