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Old   November 10, 2013, 01:43
Default solve this equation ?
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ahmad
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hi all

could any body help me to solve this boundary Eq.

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Old   November 10, 2013, 08:13
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Filippo Maria Denaro
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K is constant and u=u(r)? thus, the partial derivati is actually an ordinary derivative, this equation is a linear second order with variable coefficients and has a general integral you can obtain in analytic way by integrating two times
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Old   November 10, 2013, 08:15
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Quote:
Originally Posted by FMDenaro View Post
K is constant and u=u(r)? thus, the partial derivati is actually an ordinary derivative, this equation is a linear second order with variable coefficients and has a general integral you can obtain in analytic way by integrating two times
yes ...

yes i need the final solutions with subtitude the boundary conditions
thanks
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