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4th Order Non-linear coupled ODE Solution

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Old   December 24, 2013, 20:35
Unhappy 4th Order Non-linear coupled ODE Solution
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I am trying hard to numerically integrate a 4th order ODE using MATLAB solvers and I am unable to get it done.

Someone has already done it as reported in the paper and I cannot just understand how come they got it integrated using runge-kutta when MATLAB is failing.

I have uploaded the problem statement as attachment and can send the MATLAB as well as FORTRAN 90 code via e-mail (Its big as an attachment here.)

Any pointers will be gracefully accepted and appreciated.
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