Re: Simplify and Memory
- To: mathgroup at smc.vnet.net
- Subject: [mg58231] Re: Simplify and Memory
- From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
- Date: Fri, 24 Jun 2005 02:49:50 -0400 (EDT)
- Organization: Uni Leipzig
- References: <d9e0cq$g6v$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, Developer`ClearCache[] may help you Regards Jens "Geraud" <nospam at nospam.nospam> schrieb im Newsbeitrag news:d9e0cq$g6v$1 at smc.vnet.net... > Hi Group > > I have a list of complicated expressions > ExprList={expr1,expr2,...} and > I try to (Full)Simplify them. > > If I apply (Full)Simplify to ExprList or to each > of the expressions > inside (in a Do[] loop), the kernel goes out of > memory (2 GB PIV computer). > > However if I save the expressions in a file and > I simplify each > expression one after the other, quitting the > kernel at each step, it works. > > It seems that Mathematica keeps in memory a lot > of information about > past simplification processes. It is useful for > saving time (try to > simplify two similar expressions), but very > expensive as far as memory > is concerned. > > "Clear[Out]" or "Share[expr]" at each step does > not help. > > How can I delete the memory associated with > Simplify at each step, > rather than quitting the kernel and doing the > loop by hand ? > > Thanks a lot. > > G. >