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Prmtv		#1 Posted : 17 August 2024 06:07:15(UTC)
Rank: Advanced Member Groups: Registered Joined: 14/07/2022(UTC) Posts: 43		Hello! Such a problem appeared. Please tell me what's the matter 00.sm (10kb) downloaded 8 time(s). Thanks!
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mkraska		#2 Posted : 17 August 2024 11:49:32(UTC)
Rank: Advanced Member Groups: Registered Joined: 15/04/2012(UTC) Posts: 2,046 Was thanked: 1176 time(s) in 752 post(s)		roots() in this case needs a custom initial guess. 00_Kr.sm (14kb) downloaded 7 time(s).
		Martin Kraska Pre-configured portable distribution of SMath Studio: https://smath.com/wiki/SMath_with_Plugins.ashx
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Prmtv		#3 Posted : 18 August 2024 06:20:41(UTC)
Rank: Advanced Member Groups: Registered Joined: 14/07/2022(UTC) Posts: 43		Originally Posted by: mkraska roots() in this case needs a custom initial guess. 00_Kr.sm (14kb) downloaded 7 time(s). how to choose the right one initial guess?
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overlord		#4 Posted : 18 August 2024 10:15:52(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,191 Was thanked: 544 time(s) in 366 post(s)		Originally Posted by: Prmtv how to choose the right one initial guess? What I can suggest is to use right solver.
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Prmtv		#5 Posted : 19 August 2024 01:25:46(UTC)
Rank: Advanced Member Groups: Registered Joined: 14/07/2022(UTC) Posts: 43		Originally Posted by: overlord Originally Posted by: Prmtv how to choose the right one initial guess? What I can suggest is to use right solver. how is the order of output of variables determined? From function "Unknowns"?
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overlord		#6 Posted : 19 August 2024 01:51:08(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,191 Was thanked: 544 time(s) in 366 post(s)		Originally Posted by: Prmtv how is the order of output of variables determined? From function "Unknowns"?[/attach] My guess and and experience is they are ordered alphabetically.
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Prmtv		#7 Posted : 23 August 2024 05:23:22(UTC)
Rank: Advanced Member Groups: Registered Joined: 14/07/2022(UTC) Posts: 43		Originally Posted by: overlord Originally Posted by: Prmtv how to choose the right one initial guess? What I can suggest is to use right solver. Thanks! But when creating exe-file required variables a, b, B, t = 1. Why does this happen? Or is this a feature of the plugin "Nonlinear solvers"?
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overlord		#8 Posted : 23 August 2024 06:05:06(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,191 Was thanked: 544 time(s) in 366 post(s)		I can't know what you have done without your sheet. However, this was not an issue when I saved it as an exe. Regards
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Prmtv		#9 Posted : 23 August 2024 09:42:01(UTC)
Rank: Advanced Member Groups: Registered Joined: 14/07/2022(UTC) Posts: 43		Originally Posted by: overlord I can't know what you have done without your sheet. However, this was not an issue when I saved it as an exe. Regards If I use the function "al_nleqsolve" then everything really works The problem occurs when using the function "FindRoot"
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overlord		#10 Posted : 23 August 2024 10:11:17(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,191 Was thanked: 544 time(s) in 366 post(s)		It is due to some bug or miscode for FindRoot(). Or this is totally SMath result parse method. Your solution (A) is stored symbolic. Make it totally numeric by eval(). Exe file can show correct results after that. Regards
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Prmtv		#11 Posted : 26 August 2024 07:33:45(UTC)
Rank: Advanced Member Groups: Registered Joined: 14/07/2022(UTC) Posts: 43		Originally Posted by: overlord It is due to some bug or miscode for FindRoot(). Or this is totally SMath result parse method. Your solution (A) is stored symbolic. Make it totally numeric by eval(). Exe file can show correct results after that. Regards Thanks!
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