Spreadsheet-style dependency tracking
ldo at geek-central.gen.new_zealand
Wed Oct 20 05:59:47 CEST 2010
<eeb52362-1308-4c3f-85a2-7493f796ab90 at g18g2000yqk.googlegroups.com>, Carl
> On Oct 18, 4:15 pm, Lawrence D'Oliveiro <ldo at geek-central.gen.new_zealand>
>> In message
>> <42d82f8a-4ee6-44a7-914d-86dfc21f1... at a36g2000yqc.googlegroups.com>,
>> Fuzzyman wrote:
>>> Allowing calculations to complete even in the presence of cycles can be
>>> very useful.
>> But then the answer is no longer completely deterministic.
> Yes it is ...
No, because it will change depending on the iteration number. And if the
computation doesn’t converge, this is a recipe for oscillations, including
Hmmm, I wonder how much of Wall Street’s crash-proneness can be blamed on
dependency cycles in damned Excel spreadsheets...
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