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Getting Error odearguments while using ode15i

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Siddharth A
Siddharth A 2021-1-8
回答： Aditya Shah 2022-10-13
Hey guys,
Have been getting the following error while executing my code:
Error using odearguments (line 93) MASSBAL returns a vector of length 6, but the length of initial conditions vector is 8. The vector returned by MASSBAL and the initial conditions vector must have the same number of elements. (I ain't understanding why this is happening, checked multipke times)
Error in ode15i (line 117)
[neq, tspan, ntspan, next, t0, tfinal, tdir, y0, f0, ~, odeFcn, ... (Clueless about this)
Error in DDP_Jan2 (line 126)
[z,y] = ode15i(@massbal,zspan,y0,yp0) (Clueless again)
Please find attached my code and kindly help. Will be really grateful

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回答（1 个）

Aditya Shah
Aditya Shah 2022-10-13
Hi!
The length of the vector returned by the ODEFUN (MASSBAL in this case) and the length of the initial conditions vector must be the same.

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