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Re: DE with variable point boundary condition

  • To: mathgroup at smc.vnet.net
  • Subject: [mg85853] Re: DE with variable point boundary condition
  • From: dh <dh at metrohm.ch>
  • Date: Mon, 25 Feb 2008 07:35:09 -0500 (EST)
  • References: <fpkv7l$hj5$1@smc.vnet.net>


Hi,

this can not be solved! You have a first order ODE and you can specify 

only ONE initial condition. But you specify y[t]==1 for t=0..10 Sin[10]

hope this helps, Daniel



Narasimham wrote:

> How to numerically  Solve  a differential equation  like

> [{ y'[ t]  == 1 + 2 y[t], y[t + Sin[t]] == 1}, y, {t, 0, 10}] ;

> 

> Should y[0] be assumed arbitrarily and then refined by some

> sort of variable boundary value problem iteration?

> 

> Basically :) does it make sense as the BC is function of a function?

> 

> Regards,

> Narasimham

> 




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