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Thread: Summation Puzzle
2011-12-06, 20:40 #1
- Join Date
- Feb 2001
- New York, New York, USA
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I have 200 vectors that I want to sum. Each vector has its own currency and there are 2 basic ways of looking at the vectors (sum by X, sum by Y, grand total).
I want to add check sum so that I can tell at a glance that I have all of the vectors, I haven't missed any and I haven't double counted any. I need to be able to do this when I sum over X, over Y and in total.
What is the best way to construct such a check sum?(Location Australia, then UK, but now USA. Heart, outlook, attitude, etc always Australian)
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