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Plotting intersections

• To: mathgroup at smc.vnet.net
• Subject: [mg40285] Plotting intersections
• From: "AngleWyrm" <no_spam_anglewyrm at hotmail.com>
• Date: Sun, 30 Mar 2003 04:07:47 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Here's two plots, one linear and one not so linear ;)

Plot[ {3x+5, x^2}, {x, -10, 10} ]

And I want to know the intersection points of the two expressions.

Is there a simple way to do this, and is it extensible to three or four
expressions?

• Follow-Ups:
  • Re: Plotting intersections
    • From: Dr Bob <majort@cox-internet.com>
  • Re: Plotting intersections
    • From: Dr Bob <majort@cox-internet.com>