Re: Finding an exponent?

*To*: mathgroup at smc.vnet.net*Subject*: [mg112379] Re: Finding an exponent?*From*: Sseziwa Mukasa <mukasa at jeol.com>*Date*: Sat, 11 Sep 2010 05:46:01 -0400 (EDT)

On Sep 10, 2010, at 4:50 AM, AES wrote: > Given Exp[ expr ] where expr is some complex expression in Standard > form, how can I get expr itself in an Input cell? (Preferably > unevaluated, and other than using manual Copy and Paste). > > Log[Exp[expr]] doesn't seem to do it. > The short answer is you cannot, the argument to Exp will be evaluated. However you can get the evaluated argument by Rest[Exp[expr]] or Exp[expr][[2]]