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Problem with "NA"
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From: |
Terry Duell |
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Subject: |
Problem with "NA" |
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Date: |
Tue, 19 Feb 2013 17:05:30 +1100 |
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User-agent: |
Opera Mail/12.14 (Linux) |
Hello All,
I am solving a number of simultaneous DEs.
If I run the solution for a time t1 (say) I get quite respectable results
for all my derivatives up to a time that is a bit short of t1. The results
for the rest of the time are "NA". Thus far I can't see why this is
happening.
What sort of circumstances usually cause NAs ?
Cheers,
--
Regards,
Terry Duell
- Problem with "NA",
Terry Duell <=