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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 КиБ) скачан 237 раз(а).
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Best regards.
Alvaro.
DoubleIntegralRK.sm (42 КиБ) скачан 237 раз(а).
DoubleIntegralRK.pdf (219 КиБ) скачан 263 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 КиБ) скачан 168 раз(а).
Hi. This is the double integral using Gauss Legendre quadrature.
GaussLegendreQuadrature.sm (60 КиБ) скачан 193 раз(а).
GaussLegendreQuadrature.pdf (160 КиБ) скачан 209 раз(а).
Best regards.
Alvaro.
Yes.
DoubleIntegralSteelCat.sm (47 КиБ) скачан 196 раз(а).
DoubleIntegralSteelCat.pdf (105 КиБ) скачан 189 раз(а).
GaussLegendreQuadrature.sm (60 КиБ) скачан 193 раз(а).
GaussLegendreQuadrature.pdf (160 КиБ) скачан 209 раз(а).
Best regards.
Alvaro.
Wrote...
Can the change of variable be put in the procedure definition?
Yes.
DoubleIntegralSteelCat.sm (47 КиБ) скачан 196 раз(а).
DoubleIntegralSteelCat.pdf (105 КиБ) скачан 189 раз(а).
Keisan has longer Legendre than 64, but couldn't copy/paste ?
From other source: 63, 64.
Integrate Legendre [ Wr 24 ].sm (28 КиБ) скачан 191 раз(а).
From other source: 63, 64.
Integrate Legendre [ Wr 24 ].sm (28 КиБ) скачан 191 раз(а).
WroteKeisan has longer Legendre than 64, but couldn't copy/paste ?
From other source: 63, 64.
Integrate Legendre [ Wr 24 ].sm (28 КиБ) скачан 191 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.
DoubleIntegralJean.sm (25 КиБ) скачан 204 раз(а).
DoubleIntegralJean.pdf (45 КиБ) скачан 189 раз(а).
Best regards.
Alvaro
WroteHi Jean. Yes, can copy and paste.
Thanks, Amigo !
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