Solving nonlinear diferential equations system

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skinny pete
skinny pete 2019-9-23
回答： Bjorn Gustavsson 2019-9-23
Hello everyone?
Could you help me to solve the differential equations below on matlab?
Note: pdot, qdot, rdot are derivatives of p,q and r respectively.
pdot = rdot + p*q - r*q ;
qdot = p*r - p^2 + r^2;
rdot = pdot - p*q - q*r ;

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回答（1 个）

Bjorn Gustavsson
Bjorn Gustavsson 2019-9-23
That's a system of coupled first-order ODEs. Have a look at the help and documentation for ode45, ode23.
HTH

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