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[SS-4676] (-1) with Decimal Exponents
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Joined: 23/07/2013(UTC) Posts: 1,124 Was thanked: 506 time(s) in 337 post(s)
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There is a bug I have encountered. The result shouldn't be -1 or 1. Result are correct for some not for others. But we can't know when it is correct or not. Regards Edited by moderator 11 November 2021 15:46:48(UTC)
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3 users thanked overlord for this useful post.
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on 08/11/2021(UTC), on 09/11/2021(UTC), on 11/11/2021(UTC)
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Rank: Advanced Member Groups: Registered
Joined: 23/07/2013(UTC) Posts: 1,124 Was thanked: 506 time(s) in 337 post(s)
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Not limited with exponents. nthroot() suffers from this bug too.
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Rank: Advanced Member Groups: Registered
Joined: 23/07/2013(UTC) Posts: 1,124 Was thanked: 506 time(s) in 337 post(s)
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Originally Posted by: Jean Giraud 1. Whatever the exponentiation of (i)/(-i) it has no mathematical meaning. Win 7 rescues on either default complex or 1 2. Whatever the exponentiation of (-1) it has no mathematical meaning. Win 7 simply gives an error message Differently, Mathcad 11 XP rescues (-1)^ on some complex default value or 1 You are wrong. Exponentiation of -1 or i has mathematical meaning. What means is your calculators don't have rectangular form. I don't care if it has practical usage or not. Mathematics has it, period. TI-89 Titanium:Hackmath website:https://www.hackmath.net/en/calculator/complex-number
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Rank: Advanced Member Groups: Registered
Joined: 23/07/2013(UTC) Posts: 1,124 Was thanked: 506 time(s) in 337 post(s)
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Originally Posted by: Jean Giraud This has nothing to do with Smath. (-1)^0.36 is the Win Power Function X^Y fetched by Smath. The X^Y is universal in all CAS. That it does not evaluate some of your demand(s) ► complain to Microsoft, not in the Smath Community. Doctor your demands as per the document in Samples. There is another numerical pitfall wrt X^Y No, it is wrong in SMath. Other CAS softwares calculates it correctly. Your are wrong here. X^Y is not win power function. (whatever this gibberish means) I am using linux, programming languages has nothing to do with windows. If they are not specifically written for it of course. Dot Net or C# is not specific to Windows. You are wrong in here too. X^Y is not universal in all CAS. All computer assisted software can have different algorithms. How can someone not know this basic information? You are wrong here too. You are wrong for all your claims. My demands are correct. You lack a lot of knowledge about certain things. You are just someone who poses as a smart-aleck. Don't pretend you know everyhing. Stop being a smart mouth with people. Mathcad v15:Mathematica v8:Maxima:Python:
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Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,639 Location: Italy Was thanked: 1323 time(s) in 873 post(s)
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listed in the BTS, thank you.
BTW, since it was mentioned, .NET Framework exponentiation of double numbers returns NaN for complex results. |
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1 user thanked Davide Carpi for this useful post.
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