Solve System of NonLinear ODEs with bvp4c

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Nikolas Haimerl
Nikolas Haimerl 2019-10-28
编辑： Nikolas Haimerl 2019-10-28
I am trying to solve a system of ODES with specific boundary conditions
q''=inv(DD)*(T-CC*q'-gg)
in which q is a three dimensional vector q=[x(t),y(t),z(t)] and q'=dq/dt,q''=ddq/ddt
DD=DD..DD is a matrix independent of q
T=T(q')..T is a vector dependent on the first derivative of q
CC=CC..CC is a matrix independent of q
gg=gg..gg is a vector independent of q
The boundary conditions are: qa=[0,y0,z0], qb=[xb,0,0]
I have found the description of the bvp4C from the official Matlab website and some in the internet but they all just take q as a one dimensional vector dependent only on one variable. I would really appreciate any help as to how I set up the functions bvpfcn, bcfcn and solinit for this particular problem.

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