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MathGroup Archive 2010

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NDSolve for catenary

  • To: mathgroup at smc.vnet.net
  • Subject: [mg111340] NDSolve for catenary
  • From: Sam Takoy <sam.takoy at yahoo.com>
  • Date: Wed, 28 Jul 2010 02:53:57 -0400 (EDT)

Hi,

This:

NDSolve[{ 1 + r'[x]^2 - r[x] r''[x] == 0, r[0] == r[1] == 1}, r, {x,  0, 1}]

should solve the catenary problem, but it gives 1/0 errors. Can you 
suggest a fix?

Many thanks!

Sam


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