HP Prime lockup (not a complaint)
03-23-2015, 10:31 PM
Post: #12
 Anderson Costa Member Posts: 59 Joined: Apr 2014
RE: HP Prime lockup (not a complaint)
(03-23-2015 08:43 PM)Anders Wrote:  parisse,

yes you are right, I think there are 2 problems possibly related:
- the basic square root function √ is broken for complex numbers (at least when differentiating) on its own unrelated to simplify. It would be great for it to be fixed in an update (The x^n and n√x works correctly on the same expression!)
- the simplify function should as you wrote have some sort of expression check prior trying to simplify to avoid lock-ups

I believe the function described above is Multivalued in the complex numbers' field.
Some multivalued functions don't work in complex field correctly. This error showed on HP Prime demonstrated the multivalued behaviour of the square root function in my opinion.
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 Messages In This Thread HP Prime lockup (not a complaint) - Dynablue - 03-20-2015, 11:33 PM RE: HP Prime lockup (not a complaint) - matthiaspaul - 03-21-2015, 01:02 AM RE: HP Prime lockup (not a complaint) - Dynablue - 03-21-2015, 01:12 AM RE: HP Prime lockup (not a complaint) - Dynablue - 03-21-2015, 01:37 AM RE: HP Prime lockup (not a complaint) - Gerald H - 03-21-2015, 05:32 AM RE: HP Prime lockup (not a complaint) - Anders - 03-22-2015, 12:36 AM RE: HP Prime lockup (not a complaint) - Helge Gabert - 03-22-2015, 02:36 AM RE: HP Prime lockup (not a complaint) - Helge Gabert - 03-22-2015, 03:06 AM RE: HP Prime lockup (not a complaint) - Anders - 03-22-2015, 05:16 PM RE: HP Prime lockup (not a complaint) - parisse - 03-22-2015, 06:36 PM RE: HP Prime lockup (not a complaint) - Anders - 03-23-2015, 08:43 PM RE: HP Prime lockup (not a complaint) - Anderson Costa - 03-23-2015 10:31 PM RE: HP Prime lockup (not a complaint) - Anders - 03-24-2015, 01:20 AM RE: HP Prime lockup (not a complaint) - parisse - 03-24-2015, 06:30 AM RE: HP Prime lockup (not a complaint) - Anders - 05-16-2015, 11:49 PM RE: HP Prime lockup (not a complaint) - Mark Hardman - 05-17-2015, 01:37 AM RE: HP Prime lockup (not a complaint) - Anders - 05-17-2015, 02:41 AM RE: HP Prime lockup (not a complaint) - parisse - 05-17-2015, 06:47 AM

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