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[CAS] series of Si incorrect
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08-05-2017, 02:42 PM
Post: #1
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[CAS] series of Si incorrect
series(Si(u), u=0, 7) returns u - u^3/6 + u^5/120 - u^7/5040 (i.e. series for sin). It should be u - u^3/18 + u^5/600 - u^7/35280 + ...
This is on HP Prime fw 20170710 (12066), CAS 1.1.2-11. Giac/Xcas 1.2.3 does the same. |
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08-05-2017, 05:37 PM
Post: #2
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RE: [CAS] series of Si incorrect
Indeed! Fixed in source and in the web version of Xcas:
http://www-fourier.ujf-grenoble.fr/%7epa...0%2C%207)& |
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08-05-2017, 05:42 PM
Post: #3
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RE: [CAS] series of Si incorrect
(08-05-2017 05:37 PM)parisse Wrote: Indeed! Fixed in source and in the web version of Xcas: Great, I look forward to the next firmware update. I'll also make a note to check the fix on Fedora, I expect they'll pick it up sooner... |
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