reading half part of a table
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by eastafri
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Published on 2010-06-08T09:08:45Z
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2010/06/08
9:12 UTC
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ruby
When i have a table;
1 0 0 1 0
0 1 0 1 0
0 0 1 0 1
1 1 1 1 0
0 0 0 0 1
Say i want to only read and keep the values along the upper diagonal of this table, how can i easily accomplish this in pure ruby?
Such that the final structure looks like
1 0 0 1 0
1 0 1 1
1 0 1
1 0
1
Thanks
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