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Re: diff equation

• To: mathgroup at smc.vnet.net
• Subject: [mg88316] Re: diff equation
• From: "Ali YILDIRIM" <ayildirim10 at hotmail.com>
• Date: Thu, 1 May 2008 06:26:58 -0400 (EDT)
• References: <BLU129-DS335A7C6B4ED0F214741F6A8D90@phx.gbl> <4818FDAB.60005@gmail.com>

[resent a more readable form - moderator]

 Dear Math group..

 I have an differential equation. I can not solve in mathematica.
 Would you help me, please?

  dM/d t =D[d^2 M//dr^2 +(2/r) (dM/dr)]-kM

  Boundary conditions are:

 1-) at t=0,  M= Mo

 2-) r = 0,   dM/dr=0

 3-) at r = R,   M = Ms


  Öðr.Gör. Ali YILDIRIM
 Gaziantep Üniversitesi
 Nizip Meslek Yüksekokulu
 Gýda Teknolojisi Programý
 27700-Nizip-Gaziantep/Türkiye
 ayildirim at gantep.edu.tr