[Date Index] [Thread Index] [Author Index]

Re: operate a matrix of derivations

• To: mathgroup at smc.vnet.net
• Subject: [mg39218] Re: operate a matrix of derivations
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Tue, 4 Feb 2003 02:21:35 -0500 (EST)
• Organization: Universitaet Leipzig
• References: <b1l15i$i8o$1@smc.vnet.net>
• Reply-to: kuska at informatik.uni-leipzig.de
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

can you explain how you "simple example" was obtained ?

Regards
  Jens

ilan wrote:
> 
> I want to make a matrix of derivations, so I will be able to multiply
> it by a matrix of functions and get the result matrix
> simple example:
> 
> |d/dx   0 | |xy  x| |y   1|
> |         |.|     |=|     |
> |d/dy d/dx| |x+y 3| |x+1 0|
> 
>  thank you