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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