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Confusion between rules and variables

• To: mathgroup at smc.vnet.net
• Subject: [mg42416] Confusion between rules and variables
• From: Jonathan Greenberg <greenberg at ucdavis.edu>
• Date: Sat, 5 Jul 2003 03:11:01 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

I ran a FindRoot where the output was {x->0.543} -- How do I extact that
value (0.543) for use in some other equation (e.g. How do I set a variable
equal to 0.543, instead of that entire rule)?

--j

• Follow-Ups:
  • Re: Confusion between rules and variables
    • From: Tomas Garza <tgarza01@prodigy.net.mx>