coupled Ordinary Differential Equations

Can someone help me solve the following set of coupled equations
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With initial conditions ; ; r ranges from 0 to 30. Take .
needs to be interpolated with calculated pressure at every iteration (which I can handle with).

2 comentarios

Torsten
Torsten el 2 de Dic. de 2025
Editada: Torsten el 2 de Dic. de 2025
What problems do you encounter when you try to use ode45 to solve ? "interp1" can be used for interpolation therein.
Sam Chak
Sam Chak el 2 de Dic. de 2025
If r can range from 0 to 30, then singularity will occur at . Since both the numerator and denominator have division-by-zero terms, then will become an indeterminate form. The response of the variable m will depend on the behavior of the function .

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el 2 de Dic. de 2025

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el 17 de Dic. de 2025

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