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Find all roots with FindRoot

• To: mathgroup at smc.vnet.net
• Subject: [mg126130] Find all roots with FindRoot
• From: Sam Takoy <sam.takoy at yahoo.com>
• Date: Fri, 20 Apr 2012 07:44:17 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

Hi,

I need to find all roots of a function in a certain interval. FindRoot
only finds one. I imagine that I could write a script that calls
FindRoot repeatedly, but I'm guessing this must be built-in
functionality or someone has written such a script in the past (better
than I ever could).

Can someone direct me to a command or a script like that?

Many thanks in advance,

Sam

• Follow-Ups:
  • Re: how to check for NumericQ arbitrary data structure
    • From: Bob Hanlon <hanlonr357@gmail.com>
  • Re: Find all roots with FindRoot
    • From: "Harvey P. Dale" <hpd1@nyu.edu>