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Double Integration using ode solvers - Сообщения
Hi. This worksheet shows how to use an ode solver for evaluating a double integral over the region between two functions.
DoubleIntegralRK.sm (42,67 КиБ) скачан 487 раз(а).
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Best regards.
Alvaro.
DoubleIntegralRK.sm (42,67 КиБ) скачан 487 раз(а).
DoubleIntegralRK.pdf (219,12 КиБ) скачан 391 раз(а).
Best regards.
Alvaro.
Thanks Alvaro for your example.
Can the change of variable be put in the procedure definition?
Can the change of variable be put in the procedure definition?
Physics is like sex. Sure, it may give some practical results, but that’s not why we do it. (R. Feynman)
WroteCan the change of variable be put in the procedure definition,?
Like this: yes, just opposite plot.
Double Switch [x, L].sm (6,33 КиБ) скачан 345 раз(а).
Hi. This is the double integral using Gauss Legendre quadrature.
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Best regards.
Alvaro.
Yes.
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GaussLegendreQuadrature.sm (60,58 КиБ) скачан 438 раз(а).
GaussLegendreQuadrature.pdf (160,77 КиБ) скачан 333 раз(а).
Best regards.
Alvaro.
Wrote...
Can the change of variable be put in the procedure definition?
Yes.
DoubleIntegralSteelCat.sm (47,08 КиБ) скачан 413 раз(а).
DoubleIntegralSteelCat.pdf (105,49 КиБ) скачан 290 раз(а).
Keisan has longer Legendre than 64, but couldn't copy/paste ?
From other source: 63, 64.
Integrate Legendre [ Wr 24 ].sm (28,98 КиБ) скачан 370 раз(а).
From other source: 63, 64.
Integrate Legendre [ Wr 24 ].sm (28,98 КиБ) скачан 370 раз(а).
WroteKeisan has longer Legendre than 64, but couldn't copy/paste ?
From other source: 63, 64.
Integrate Legendre [ Wr 24 ].sm (28,98 КиБ) скачан 370 раз(а).
Hi Jean. Yes, can copy and paste. Do that first into excel, and from there to the small SMathMatrixEditor and finally paste in SMath.
In the attached Laguerre and Legendre coeffs for the Gauss method.
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Best regards.
Alvaro
WroteHi Jean. Yes, can copy and paste.
Thanks, Amigo !
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