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Re: Numerical accuracy/precision - this is a bug or a feature?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg120062] Re: Numerical accuracy/precision - this is a bug or a feature?
  • From: "slawek" <slawek at host.pl>
  • Date: Thu, 7 Jul 2011 07:31:49 -0400 (EDT)
  • References: <ius5op$2g7$1@smc.vnet.net> <ius7b6$30t$1@smc.vnet.net> <iuukrt$erd$1@smc.vnet.net> <iv1a86$sji$1@smc.vnet.net>

U=BFytkownik "Kevin J. McCann" <Kevin.McCann at umbc.edu> napisa=B3 w wiadomo=B6ci
grup dyskusyjnych:iv1a86$sji$1 at smc.vnet.net...
> 2.0 is not an integer nor a rational, it is machine precision. On the
> other hand 2 is an integer and exact.

The decimal fraction 2.0 is in mathematics (the science) exactly the same as
the sum 2 + 0/10

The convention that 2.0 is less accurate than 2.00 is applied ONLY in
Mathematica (the computer program).





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