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Inappropriate Domain Calculation Warnings

  • To: mathgroup at
  • Subject: [mg45683] Inappropriate Domain Calculation Warnings
  • From: Harold.Noffke at (Harold Noffke)
  • Date: Mon, 19 Jan 2004 05:15:28 -0500 (EST)
  • Sender: owner-wri-mathgroup at


Here's an example of Solve with a user-specified Domain.  It is
accompanied by a Warning which is inappropriate for the specified

    In[1]:= Solve[(2^53 == 10^x), x, Element[x, Reals]] // N

    Solve::ifun: Inverse functions are being used by Solve, so some
solutions may not be found; use Reduce for complete solution

    Out[1]= {{x -> 15.9546}}

Given the Domain spec that x is a Real number, I would think this
Solve::ifun: message would not propagate to printout -- i.e., that it
would be suppressed.

This is how I feel a new user would expect Mathematica 5.0 to work.


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