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Tim63		#1 Posted : 01 December 2022 09:02:57(UTC)
Rank: Newbie Groups: Registered Joined: 21/07/2017(UTC) Posts: 3 Location: Penang		Hi, this is junior school math but what is the best way to obtain any value from a set of data like below? Can this be done on SMath? [img=]Tank Data [/img] The aim is to obtain alpha and beta values from any intermediary values of H/L or H/l. Thanks, Edited by user 01 December 2022 09:08:17(UTC)  | Reason: Not specified
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overlord		#2 Posted : 01 December 2022 13:12:38(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,126 Was thanked: 507 time(s) in 338 post(s)		You can use interpolation functions for that. There are three different interpolation functions. Your data seems to be lineear according to values. Here is a demonstration of interpolation plots. I also added functions to find β and α. Regards interpolation.sm (139kb) downloaded 18 time(s).
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Jean Giraud		#3 Posted : 01 December 2022 17:29:06(UTC)
Rank: Guest Groups: Registered Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)		Page7 Unknown.sm (91kb) downloaded 14 time(s).
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Jean Giraud		#4 Posted : 02 December 2022 04:01:39(UTC)
Rank: Guest Groups: Registered Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)		Possibly, there is a model ▼ function for these two A tank that has length 'L' has diameter as well. You can only measure level from [0...1] empty/full. That's what alpha/beta seem to represent. If so, the system is the segment approximation. This problem is solved in Smath 5 decimals [Tema, Perry] The Smath document ignores the ends. You can roughly add. Please, acknowledge for eventual completion of the project. Cheers ... Jean.
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Tim63		#5 Posted : 05 January 2023 10:42:01(UTC)
Rank: Newbie Groups: Registered Joined: 21/07/2017(UTC) Posts: 3 Location: Penang		Originally Posted by: overlord You can use interpolation functions for that. There are three different interpolation functions. Your data seems to be linear according to values. Here is a demonstration of interpolation plots. I also added functions to find β and α. Regards interpolation.sm (139kb) downloaded 18 time(s). Thank you, Overlord. Much appreciated. Tim Edited by user 05 January 2023 10:43:40(UTC)  | Reason: Not specified
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Tim63		#6 Posted : 05 January 2023 10:44:58(UTC)
Rank: Newbie Groups: Registered Joined: 21/07/2017(UTC) Posts: 3 Location: Penang		Originally Posted by: Jean Giraud Possibly, there is a model ▼ function for these two A tank that has length 'L' has diameter as well. You can only measure level from [0...1] empty/full. That's what alpha/beta seem to represent. If so, the system is the segment approximation. This problem is solved in Smath 5 decimals [Tema, Perry] The Smath document ignores the ends. You can roughly add. Please, acknowledge for eventual completion of the project. Cheers ... Jean. Thank you, Jean. "L" does not represent diameter. This table is for a rectangular tank design. Tim
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Jean Giraud		#7 Posted : 05 January 2023 14:58:00(UTC)
Rank: Guest Groups: Registered Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)		Originally Posted by: Tim63 Thank you, Jean. "L" does not represent diameter. This table is for a rectangular tank design. Tim Obviously the data confirm the tank is not circular. It may not be pure rectangular either vs deformation. For + contribution, please don't hesitate. Jean
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overlord		#8 Posted : 05 January 2023 17:21:53(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,126 Was thanked: 507 time(s) in 338 post(s)		Originally Posted by: Jean Giraud It may not be pure rectangular either vs deformation. There is a golden phrase for engineers: When something is minor effecting overall outcome, That condition/subject/aspect is negligible.
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Jean Giraud		#9 Posted : 05 January 2023 18:13:50(UTC)
Rank: Guest Groups: Registered Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)		Originally Posted by: Jean Giraud Obviously the data confirm the tank is not circular. It may not be pure rectangular either vs deformation. For contribution, please don't hesitate. Jean Page2 Table.sm (130kb) downloaded 9 time(s).
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Jean Giraud		#10 Posted : 06 January 2023 03:03:48(UTC)
Rank: Guest Groups: Registered Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)		Page3 Table.sm (55kb) downloaded 5 time(s).
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