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Re: N::meprec warning with Solve

  • To: mathgroup at smc.vnet.net
  • Subject: [mg86764] Re: N::meprec warning with Solve
  • From: dh <dh at metrohm.ch>
  • Date: Thu, 20 Mar 2008 02:56:12 -0500 (EST)
  • References: <frqpjj$4q7$1@smc.vnet.net>


Hi Peter,

with version:

"6.0 for Microsoft Windows (32-bit) (February 7, 2008)"

I do not get this warning message.

Daniel



Peter Breitfeld wrote:

> consider the function:

> 

> f[x_] := (x^4 + x^3 + x^2 + 5)/(5 x^2 + 5 x + 5)

> 

> lsg=Solve[f[x]==0,x]

> 

> gives the warnings:

> 

> N::meprec:

> "Internal precision limit $MaxExtraPrecision = 50.` reached while

> evaluating Im[61/(3\(<<1>> <<1>>)^(1/3))+1/3\ (1/2\(<<1>>))^(1/3)]."

> 

> How can this happen if no Reals are used? Why is N called?

> 

> BTW the results of Solve are correct

> 

> Gruss Peter




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