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how can i use ode45 to solve the states if one of them is matrix or vector?

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Mohamed Aburakhis
回答： Jan 2016-5-3
how can i use ode45 to solve the states if one of them is matrix or vector?
For example , if the state x is scalar, Z is vector (2*1) of states, and P is matrix (2*2) of states %%
states_0=[x0;Z0;P0];
[t,x]=ode45(@derivative,time,states_0);

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回答（1 个）

Jan
Jan 2016-5-3
You can transform the elements of the states to a vector using reshape or (:). Inside derivative() you can use reshape again to process the arrays again, if this is needed.

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