Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!peer03.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!nx02.iad01.newshosting.com!newshosting.com!newspump.sol.net!post2.nntp.sol.net!posts.news.twtelecom.net!nnrp3.twtelecom.net!not-for-mail
From: Zohreh <zmmohamadi@gmail.com>
Newsgroups: comp.soft-sys.math.mathematica
Subject: Re: Differential Equation
Date: Fri, 2 May 2014 06:19:16 +0000 (UTC)
Sender: steve@smc.vnet.net
Approved: Steven M. Christensen <steve@smc.vnet.net>, Moderator
Message-ID: <ljvdd4$bat$1@smc.vnet.net>
References: <ljndih$au0$1@smc.vnet.net>
Lines: 37
Organization: Time-Warner Telecom
NNTP-Posting-Date: 02 May 2014 06:25:30 GMT
NNTP-Posting-Host: bfa68086.news.twtelecom.net
X-Trace: DXC=c>0>gB6Q8ZV144X5D4^0KSC_A=>8kQj6];[h;PUXBgbTAQ5nGY>YK1^EFiONJ7[GoVm3CFeUY4eJP
X-Complaints-To: abuse@twtelecom.net
X-Received-Bytes: 1403
X-Received-Body-CRC: 2266041554
Xref: csiph.com comp.soft-sys.math.mathematica:16888

On Tuesday, April 29, 2014 1:33:05 PM UTC+8, Zohreh wrote:
> Dear Friends,
> 
> 
> 
> I am going to solve the following differential equation:
> 
> dY(x)/dx=A*f(x)-B*Y(x)
> 
> 
> 
> In which A and B are some parameters, f(x) is a function of x, and Y(C)=0 (C is a parameter).
> 
> 
> 
> I tried to solve it in Mathematica by
> 
> DSolve[Y'[x] == A*f[x] - B*Y[x], Y[C] == 0, x]
> 
> 
> 
> But I get the following error
> 
> DSolve::dsfun: "Y[C]==0 cannot be used as a function
> 
> 
> 
> I would highly appreciate it if somebody can help me.
> 
> 
> 
> Best regards.

Thanks to all for your help.

Best regards.