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How to get symbolic results from ODE?

How to get symbolic results from ODE? - Ordinary differential equation - Messages

#1 Posted: 6/30/2024 8:25:33 PM

netsonicyxf

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How to get symbolic results from ODE?

#2 Posted: 6/30/2024 9:32:27 PM

Вячеслав Мезенцев

Вячеслав Мезенцев

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Symbolic results from ODE.png

Symbolic results from ODE.sm (9 KiB) downloaded 43 time(s).

Russia ☭ forever, Viacheslav N. Mezentsev

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netsonicyxf 7/1/2024 8:47:00 AM, sergio 7/15/2024 3:04:00 PM, Valery Ochkov 6/30/2024 11:33:00 PM

#3 Posted: 6/30/2024 11:34:34 PM

Valery Ochkov

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А у меня по-прежнему, если нет решения, то выдается старое решение, а не сообщение об ошибке!

#4 Posted: 7/1/2024 1:32:31 AM

Вячеслав Мезенцев

Вячеслав Мезенцев

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Завтра посмотрю можно ли это просто исправить.

Russia ☭ forever, Viacheslav N. Mezentsev

#5 Posted: 7/1/2024 10:44:31 AM

netsonicyxf

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Wrote

Symbolic results from ODE.sm (9 KiB) downloaded 43 time(s).

Thank you. How do you input ",u(t)" in the brace?

#6 Posted: 7/1/2024 1:06:09 PM

Valery Ochkov

55 likes in 633 posts.

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Wrote

Wrote

Symbolic results from ODE.sm (9 KiB) downloaded 43 time(s).

Thank you. How do you input ",u(t)" in the brace?

I think so
dsolve( , u(t))

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netsonicyxf 7/1/2024 9:44:00 PM

#7 Posted: 7/2/2024 10:34:21 PM

Alvaro Diaz Falconi

Alvaro Diaz Falconi

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Plugin less solution, with units, using the Wronskian and the variation of parameters method.

Symbolic results from ODE.sm (23 KiB) downloaded 44 time(s).

Best regards.
Alvaro.

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Davide Carpi 7/3/2024 11:46:00 PM, netsonicyxf 7/6/2024 9:09:00 PM, sergio 7/15/2024 3:16:00 PM

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