[Date Index] [Thread Index] [Author Index]
Re: diffrence between ver 3.01 and 4.1 regarding N?
Hi, try FullForm to see all digits of a floating point number that is truncated by the Print/Output functions. Regards Jens peter weijnitz wrote: > > I tried some of my Mathematica3.01 programs on a computer with > Mathematica4.1, > there where some differences that I could not explain. > > Regarding N: consider for example: > with version 4.1 I got: > > N[Sqrt[2.],16]->1.4142 > and > N[Sqrt[2.],17]->1.4142135623730950 > > and in version 3.01: > > N[Sqrt[2.],16]->1.414213562373095 > and > N[Sqrt[2.],17]->1.4142135623730950 > > Using SetPrecision[Sqrt[2.],16] I could make Mathematica4.1 give me 16 > digits precision. > Ideas? > > Peter W