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 Author Comment/Response Yukterez 05/11/12 12:10pm Sometimes I get some strange Units in the Output, appendixes like Sqrt[-1/m]*Sqrt[-m] which could easily cancel each other out, but they dont; even when I use the Simplify/FullSimplify Command. It looks like [img]http://666kb.com/i/c3pfz8u4ig160fr9q.png[/img] while it sholud look like "895.78 sek" _____________________________ c = 299792458 m/sek; G = 6.67384*10^-11 m^3/kg/sek^2; M = 5.977*10^24 kg; r2 = 6378000 m; rs = 2*G*M/c^2; r1 = rs; \[Tau] = 1/c*\!\( \*SubsuperscriptBox[\(\[Integral]\), \(r1\), \(r2\)]\( \*FractionBox[\(1\), SqrtBox[\( \*FractionBox[\(rs\), \(r\)] - \*FractionBox[\(rs\), \(r2\)]\)]] \[DifferentialD]r\)\) _________________________ Then it gives me the right solution, but appendet with unneccessary Sqrt[-1/m]*Sqrt[-m]instead of shortening it to -1... Attachment: beschleunigung.nb, URL: http://yukterez.ist.org/beschleunigung.nb,

 Subject (listing for '√(-1/m)*√(-m) -Bug with symbolic Va...') Author Date Posted √(-1/m)*√(-m) -Bug with symbolic Va... Yukterez 05/11/12 12:10pm Re: √(-1/m)*√(-m) -Bug with symboli... Bill Simpson 05/11/12 11:27pm Re: √(-1/m)*√(-m) -Bug with symboli... toen 05/12/12 00:57am Re: √(-1/m)*√(-m) -Bug with symboli... Yukterez 05/12/12 4:36pm one problem (or bug) remains Yukterez 05/14/12 9:49pm
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