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How to get symbolic results from ODE?

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

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#1 Posted: 2024/6/30 20:25:33

netsonicyxf

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How to get symbolic results from ODE?

#2 Posted: 2024/6/30 21:32:27

Вячеслав Мезенцев

Вячеслав Мезенцев

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Symbolic results from ODE.png

Symbolic results from ODE.sm (9.74 KiB) downloaded 868 time(s).

Russia ☭ forever, Viacheslav N. Mezentsev

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netsonicyxf 2024/7/1 08:47:00, sergio 2024/7/15 15:04:00, Valery Ochkov 2024/6/30 23:33:00

#3 Posted: 2024/6/30 23:34:34

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: 2024/7/1 01:32:31

Вячеслав Мезенцев

Вячеслав Мезенцев

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Завтра посмотрю можно ли это просто исправить.

Russia ☭ forever, Viacheslav N. Mezentsev

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

netsonicyxf

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Wrote

Symbolic results from ODE.sm (9.74 KiB) downloaded 868 time(s).

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

#6 Posted: 2024/7/1 13:06:09

Valery Ochkov

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Wrote

Wrote

Symbolic results from ODE.sm (9.74 KiB) downloaded 868 time(s).

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

I think so
dsolve( , u(t))

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netsonicyxf 2024/7/1 21:44:00

#7 Posted: 2024/7/2 22:34:21

Alvaro

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

Symbolic results from ODE.sm (23.52 KiB) downloaded 841 time(s).

Best regards.
Alvaro.

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Davide Carpi 2024/7/3 23:46:00, netsonicyxf 2024/7/6 21:09:00, sergio 2024/7/15 15:16:00

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