pi in complex numbers

pi in complex numbers - Messages

#1 Posted: 10/28/2018 5:23:03 PM
Kriss

Kriss

0 likes in 13 posts.

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Hi,
This is maybe not a bug but it doesn't look very well.

Capture.PNG

Result should be pure real 1

I understand why this happen and wonder if that fixable

Regards
Kriss
#2 Posted: 10/28/2018 9:32:30 PM
Jean Giraud

Jean Giraud

983 likes in 6866 posts.

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Wrote

Result should be pure real 1

I understand why this happen and wonder if that fixable



1. your expression is incorrect: Euler 'e' is a number
2. as it should be '1' but not computable it displays complex.
3. often, annoying but |abs| makes it computed.
4. some ancient MainFrames still have pi in numerical values [XXX decimals]
5. Advanced computing machinery use "Simon Plouffle".
6. NOT a bug: just a fact not yet fixable [expect more from Smath Geeks].

pi15.PNG
#3 Posted: 10/28/2018 9:46:08 PM
Jean Giraud

Jean Giraud

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The search for 'pi' exhausted great Mathematicians [Legendre ...] not to avail.
The proof to 'pi' by isoperimetres dates back to 1813 by French Geometre "Schwab"
Simon Plouffe limit of 'n = infinity'
#4 Posted: 10/29/2018 3:52:56 AM
Alvaro Diaz Falconi

Alvaro Diaz Falconi

992 likes in 1674 posts.

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Hi Kriss. You're right. It's a shame that the result isn't exact.

Clipboard03.gif

This was call the most beautiful equation, because relates the most important numbers in the history, which came from different disciplines: calculus, geometry, complexes and natural numbers.

Best regards.
Alvaro.
#5 Posted: 10/29/2018 11:40:50 AM
Jean Giraud

Jean Giraud

983 likes in 6866 posts.

Group: User

Wrote

Hi Kriss. You're right. It's a shame that the result isn't exact.



Even worst if not cautious !

Annoying in the attached LinfitCheby.
Was reported long time ago.

Bugpi.PNG

GenfitLinfitCheby.sm (74 KiB) downloaded 30 time(s).
#6 Posted: 10/30/2018 12:31:21 PM
Andrey Ivashov

Andrey Ivashov

2269 likes in 3730 posts.

Group: Super Administrator

Thank you! Fixed in the latest beta: https://en.smath.info/forum/yaf_postst14958_Beta--SMath-Studio-0-99-6877--30-October-2018.aspx
#7 Posted: 10/30/2018 6:48:33 PM
Kriss

Kriss

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Seems to be working. Thanks
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