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Replacement rules with I (sqrt(-1)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg45053] Replacement rules with I (sqrt(-1)
  • From: Jean-Michel Collard <jm at france-paris.org>
  • Date: Sun, 14 Dec 2003 06:22:57 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com
Can someone explain me this particular behavior :

x+I*y /. I -> -I

x-I y  (*  ok  *)


3+I /. I-> -I

3+I     (*  ????? false  *)

Regards,

J.-M.
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