solve this equation ?

malay · November 10, 2013, 00:43

hi all

could any body help me to solve this boundary Eq.

FMDenaro · November 10, 2013, 07:13

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

malay · November 10, 2013, 07:15

Quote:

Originally Posted by FMDenaro

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

November 10, 2013, 00:43	solve this equation ?	#1
malay Senior Member ahmad Join Date: Feb 2012 Posts: 101 Rep Power: 14	hi all could any body help me to solve this boundary Eq.

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November 10, 2013, 07:13		#2
FMDenaro Senior Member Filippo Maria Denaro Join Date: Jul 2010 Posts: 6,768 Rep Power: 71	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