AlgLib 3.1x - SMath

#41 Posted: 12/24/2018 7:47:08 AM

1402 likes in 1708 posts.

Group: Moderator

Updated.

[albumimg]1560[/albumimg] [albumimg]1561[/albumimg] [albumimg]1562[/albumimg] [albumimg]1563[/albumimg]

alglib.ode.kinetic1.sm (7 KiB) downloaded 139 time(s).
alglib.ode.kinetic2.sm (10 KiB) downloaded 119 time(s).
alglib.ode.kinetic3.sm (10 KiB) downloaded 118 time(s).
alglib.ode.test1.sm (10 KiB) downloaded 130 time(s).
alglib.ode.test2.sm (10 KiB) downloaded 116 time(s).
alglib.ode.Amplitude detector.sm (19 KiB) downloaded 122 time(s).

alglib.ode.kinetic1.pdf (75 KiB) downloaded 121 time(s).
alglib.ode.kinetic2.pdf (89 KiB) downloaded 96 time(s).
alglib.ode.kinetic3.pdf (83 KiB) downloaded 109 time(s).
alglib.ode.test1.pdf (85 KiB) downloaded 106 time(s).
alglib.ode.test2.pdf (89 KiB) downloaded 103 time(s).
alglib.ode.Amplitude detector.pdf (147 KiB) downloaded 111 time(s).

Russia ☭ forever, Viacheslav N. Mezentsev

5 users liked this post

bdrunagle 12/24/2018 8:15:00 AM, NDTM Amarasekera 12/24/2018 9:44:00 AM, sergio 12/24/2018 11:04:00 AM, frapuano 12/24/2018 2:22:00 PM, Radovan Omorjan 12/24/2018 2:52:00 PM

#42 Posted: 12/28/2018 2:02:54 PM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Updated. Refactored.

Russia ☭ forever, Viacheslav N. Mezentsev

3 users liked this post

sergio 12/28/2018 4:14:00 PM, frapuano 12/28/2018 7:22:00 PM, NDTM Amarasekera 12/28/2018 10:53:00 PM

#43 Posted: 1/19/2019 4:31:14 PM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Updated. al_nleqsolve(2), al_nleqsolve(3), al_nleqsolve(4) added.

File not found. File not found. File not found.

Russia ☭ forever, Viacheslav N. Mezentsev

3 users liked this post

sergio 1/19/2019 5:38:00 PM, frapuano 1/19/2019 6:11:00 PM, NDTM Amarasekera 1/19/2019 11:45:00 PM

#44 Posted: 1/27/2019 5:23:49 AM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

With numeric optimization (for all functions) it works much faster.

Fourier series coefficients.sm (17 KiB) downloaded 109 time(s).
Fourier series coefficients.pdf (138 KiB) downloaded 101 time(s).

Russia ☭ forever, Viacheslav N. Mezentsev

4 users liked this post

Radovan Omorjan 1/27/2019 8:19:00 AM, Davide Carpi 1/27/2019 7:53:00 AM, frapuano 1/27/2019 8:21:00 AM, NDTM Amarasekera 1/27/2019 9:47:00 AM

#45 Posted: 1/27/2019 10:59:21 AM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Example 2.

Fourier series coefficients.sm (28 KiB) downloaded 165 time(s).
Fourier series coefficients.pdf (170 KiB) downloaded 127 time(s).

Russia ☭ forever, Viacheslav N. Mezentsev

1 users liked this post

sergio 1/27/2019 1:29:00 PM

#46 Posted: 1/27/2019 12:48:06 PM

Jean Giraud

983 likes in 6866 posts.

Group: User

Otherwise w/o Algib and more Engineering applications

Fourier Budapest39 Smoothing.sm (47 KiB) downloaded 103 time(s).

#47 Posted: 1/27/2019 1:06:32 PM

Jean Giraud

983 likes in 6866 posts.

Group: User

Fourier-Fejer-Lanczos interesting too.
IrfanView "ResizeResample" zoom up/down in two options
Fourier or Lanczos the best.

Fourier Fejer Lanczos.sm (9 KiB) downloaded 103 time(s).

#48 Posted: 2/18/2019 5:42:17 AM

Fridel Selitsky

520 likes in 451 posts.

Group: User

Parameterization of implicit functions with al_nleqsolve

Parametrisation.sm (29 KiB) downloaded 110 time(s).

4 users liked this post

NDTM Amarasekera 2/18/2019 11:46:00 AM, frapuano 2/18/2019 9:08:00 AM, Alvaro Diaz Falconi 2/18/2019 2:00:00 PM, Вячеслав Мезенцев 2/18/2019 5:50:00 PM

#49 Posted: 2/18/2019 1:59:33 PM

Alvaro Diaz Falconi

992 likes in 1674 posts.

Group: User

Hi Ber. Nice technique, easy to implement. You can also make that as a function, and monocolor too.

Parametrisation.sm (25 KiB) downloaded 107 time(s).

Another option could be use y0 as vector, and solve for each element in y0, obtaining res, res1, ..., resn

Best regards.
Alvaro.

1 users liked this post

Fridel Selitsky 2/18/2019 2:44:00 PM

#50 Posted: 2/18/2019 11:53:03 PM

Jean Giraud

983 likes in 6866 posts.

Group: User

1. SS 6179 does not complain
2. Takes ~ 1 hr to terminate the first function
3. NO plot result [NO complain but NO plot ?]
4. Would be interesting checking if the attached SS 6179
runs in your actual AlgLib 3.1x. If NOT => would be a dramatic bug.
It would indicate that all maths based al_nleqsolve would be scrap.

Contour SOLVE [Electron Solve algo Express].sm (20 KiB) downloaded 99 time(s).

#51 Posted: 11/22/2020 4:47:54 AM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Updated.

Changes:

- source code updated to ALGLIB 3.16.0;
- refactored.

Russia ☭ forever, Viacheslav N. Mezentsev

#52 Posted: 2/22/2021 4:06:56 PM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Updated.

Changes:

- source code updated to ALGLIB 3.17.0;

Russia ☭ forever, Viacheslav N. Mezentsev

1 users liked this post

sergio 11/17/2021 12:20:00 PM

#53 Posted: 11/17/2021 11:42:24 AM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Plugin updated.

Changes:

- source code updated to ALGLIB 3.18.0;
- al_polyroots() function added.

Russia ☭ forever, Viacheslav N. Mezentsev

4 users liked this post

Fridel Selitsky 11/17/2021 12:18:00 PM, sergio 11/17/2021 12:20:00 PM, Alvaro Diaz Falconi 11/17/2021 1:00:00 PM, NDTM Amarasekera 11/17/2021 4:44:00 PM

#54 Posted: 12/8/2021 2:43:14 AM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Plugin updated.

Changes:

- al_lspline(), al_pspline() fucntions added;
- some functions now have a reduced number of parameters (input vector lengths are no longer required);
- refactored.

Russia ☭ forever, Viacheslav N. Mezentsev

#55 Posted: 12/10/2021 1:36:46 AM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Plugin updated.

Changes:

- added support for ODE systems in mathematical form;
- refactored.

Russia ☭ forever, Viacheslav N. Mezentsev

1 users liked this post

sergio 12/10/2021 5:27:00 AM

#56 Posted: 12/20/2021 4:18:35 PM

Вячеслав Мезенцев

1402 likes in 1708 posts.

Group: Moderator

Plugin updated.

Changes:

- solution restructured;
- converting the task for the ODE solver to the numerical form is now performed through the Mathcad Toolbox plugin (to avoid code duplication), so it must be installed;
- refactored.

Solvers that support mathematical notation now reuse code from the Mathcad Toolbox plugin. Now there is no need to recompile every such plugin.

Russia ☭ forever, Viacheslav N. Mezentsev

SMath Forum

AlgLib 3.1x - AlgLib Plugin (based on ALGLIB 3.1x) - Messages