Problem of solving Non-linear Differential Equations. Need help(mathcad15)

Hello,

I have been trying to solve this equation however no matter what I tried, I couldn't come up with an answer.

All the functions appearing in the differential equation is defined but at the end, it can not solve.

What is the problem?

I also included the file I am trying to solve.

23-Emerald IV

You do not appear to have a function q(), but in your initial conditions you state q(0)=0 and q'(0)=0.

That should be at least confusing for the Mathcad solver.

Success!
Luc

Author

1-Visitor

I realized afterward, but still, it is not solving...

23-Emerald IV

There may be more wrong. I could not see all of the file.

Please save the current state as a Mathcad 11 file, and attach.

Luc

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