How to get symbolic results from ODE?

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

#1 Posted: a year ago
netsonicyxf

netsonicyxf

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How to get symbolic results from ODE?
1.jpg
#2 Posted: a year ago
Вячеслав Мезенцев

Вячеслав Мезенцев

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Symbolic results from ODE.png

Symbolic results from ODE.sm (9 KiB) downloaded 137 time(s).
Russia ☭ forever, Viacheslav N. Mezentsev
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netsonicyxf a year ago, sergio a year ago, Valery Ochkov a year ago
#3 Posted: a year ago
Valery Ochkov

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: a year ago
Вячеслав Мезенцев

Вячеслав Мезенцев

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Завтра посмотрю можно ли это просто исправить.
Russia ☭ forever, Viacheslav N. Mezentsev
#5 Posted: a year ago
netsonicyxf

netsonicyxf

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Wrote

Symbolic results from ODE.png

Symbolic results from ODE.sm (9 KiB) downloaded 137 time(s).



Thank you. How do you input ",u(t)" in the brace?
#6 Posted: a year ago
Valery Ochkov

Valery Ochkov

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Wrote

Wrote

Symbolic results from ODE.png

Symbolic results from ODE.sm (9 KiB) downloaded 137 time(s).



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


I think so
dsolve( , u(t))

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netsonicyxf a year ago
#7 Posted: a year ago
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 131 time(s).

W_VP.png

Best regards.
Alvaro.
3 users liked this post
Davide Carpi a year ago, netsonicyxf a year ago, sergio a year ago
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