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 Razonar #1 Posted : 06 July 2020 01:17:35(UTC) Rank: Advanced MemberGroups: Registered Joined: 28/08/2014(UTC)Posts: 519Was thanked: 304 time(s) in 190 post(s) Hi. sum have an issue for symbolics evaluations.Best regards.Alvaro.
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 Jean Giraud #2 Posted : 06 July 2020 01:36:36(UTC) Rank: Advanced MemberGroups: Registered Joined: 04/07/2015(UTC)Posts: 4,791Was thanked: 801 time(s) in 635 post(s) Just check , Alvaro.Between yourself and me ... we are old kookoo in those games !
 overlord #3 Posted : 06 July 2020 02:51:36(UTC) Rank: Advanced MemberGroups: Registered Joined: 23/07/2013(UTC)Posts: 152Was thanked: 43 time(s) in 31 post(s) Originally Posted by: Razonar Hi. sum have an issue for symbolics evaluations.Best regards.Alvaro.You are correct, bug reproduced.Definitely there are some issues.Perhaps it is not only sum related too. 1 user thanked overlord for this useful post. on 06/07/2020(UTC)
 Razonar #4 Posted : 06 July 2020 09:45:56(UTC) Rank: Advanced MemberGroups: Registered Joined: 28/08/2014(UTC)Posts: 519Was thanked: 304 time(s) in 190 post(s) Hi. Thanks Overlord. I don't see these other problem. What make troubles for me is the fact that sum don't returns the symbolic values but numerical approximations, in this case for sqrt(17). I expect to see sum(vec) = 5/sqrt(17) instead the rational showed. I introduce the "x" value just for check if sum have some eval() function somewhere. But then ... ups, another issue simplifying 1+4. Best regards.Alvaro.
 mkraska #5 Posted : 06 July 2020 10:00:32(UTC) Rank: Advanced MemberGroups: Registered Joined: 15/04/2012(UTC)Posts: 1,625Was thanked: 909 time(s) in 571 post(s) sum.sm (12kb) downloaded 7 time(s). Martin Kraska Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx 1 user thanked mkraska for this useful post. on 06/07/2020(UTC)
 Jean Giraud #6 Posted : 06 July 2020 13:17:28(UTC) Rank: Advanced MemberGroups: Registered Joined: 04/07/2015(UTC)Posts: 4,791Was thanked: 801 time(s) in 635 post(s) I see no bug ... NOBUG.sm (31kb) downloaded 10 time(s).
 Razonar #7 Posted : 06 July 2020 18:48:31(UTC) Rank: Advanced MemberGroups: Registered Joined: 28/08/2014(UTC)Posts: 519Was thanked: 304 time(s) in 190 post(s) Hi. Some notes attached. sum.sm (21kb) downloaded 8 time(s). sum.pdf (67kb) downloaded 15 time(s).Best regards.Alvaro.
 Jean Giraud #8 Posted : 07 July 2020 13:34:39(UTC) Rank: Advanced MemberGroups: Registered Joined: 04/07/2015(UTC)Posts: 4,791Was thanked: 801 time(s) in 635 post(s)
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