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Substitution ignored?

• To: mathgroup at smc.vnet.net
• Subject: [mg48738] Substitution ignored?
• From: Jos R Bergervoet <Jos.Lastname at Companyname.com>
• Date: Fri, 11 Jun 2004 23:59:08 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Dear MathGroup,

Why is the following going wrong?

f = x^2
Plot[{  f,  f /. x->x-1  }, {x,0,2}]   (* Identical functions plotted !!! *)

g = f /. x->x-1
Plot[{f, g}, {x,0,2}]                  (* OK, different functions plotted *)


-- Jos

• Follow-Ups:
  • Re: Substitution ignored?
    • From: Andrzej Kozlowski <akoz@mimuw.edu.pl>