Wolfram Alpha != HP Prime CAS result: who is wrong?
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06-04-2024, 11:48 AM
Post: #4
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RE: Wolfram Alpha != HP Prime CAS result: who is wrong?
(06-04-2024 01:08 AM)robve Wrote: On Wolfram Alpha: It return 0 because there is no elements to sum (08-26-2020 09:58 PM)Albert Chan Wrote: Mathematica also does closed end limit, but generated a list. (conceptually) (06-04-2024 01:08 AM)robve Wrote: HP Prime CAS: Actually, limits get changed. sum(k, k= 0 .. -10) = - sum(k, k=-9 .. -1) = sum(k, k = 1 .. 9) = 9*10/2 = 45 The reason may be due to symmetry (08-26-2020 09:58 PM)Albert Chan Wrote: This may explain the reason for (a,b) → (b+1,a-1), if a>b+1 |
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Messages In This Thread |
Wolfram Alpha != HP Prime CAS result: who is wrong? - robve - 06-04-2024, 01:08 AM
RE: Wolfram Alpha != HP Prime CAS result: who is wrong? - Thomas Klemm - 06-04-2024, 01:45 AM
RE: Wolfram Alpha != HP Prime CAS result: who is wrong? - robve - 06-04-2024, 01:56 AM
RE: Wolfram Alpha != HP Prime CAS result: who is wrong? - Albert Chan - 06-04-2024 11:48 AM
RE: Wolfram Alpha != HP Prime CAS result: who is wrong? - robve - 06-04-2024, 02:39 PM
RE: Wolfram Alpha != HP Prime CAS result: who is wrong? - Albert Chan - 06-04-2024, 04:39 PM
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