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Re: What does " 1.' " mean ?


Arkalen wrote:
> Warning : I am a complete newbie at using Mathematica.
> 
> I have used NSolve to solve systems of non linear equations, and it gives
> me results which look good except they contain several "1.'abc" where abc
> are parameters. (that's "one period apostrophe").
> I assume it's shorthand notation for something but I can't tell what, the
> Mathematica experts I might ask are all gone for a week and I can't find
> it in the book.
> 
> Anyone know what it means ?
> 
Indeed, the character is not an apostrophe ' but a back quote ` which 
denotes in this case an arbitrary precision number. Have a look at the 
section 3.1.4, "Numerical Precision, of the Mathematica Book at 
http://documents.wolfram.com/mathematica/book/section-3.1.4

Best regards,
Jean-Marc


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