> 10.1/0.1 was successfully calculated Note that 'computed as' is not the same as 'printed as'. Computations are done with 52 binary digits of precision and printing is, by default, done with 7 decimal digits of precision. See FAQ 7.31.
> 101 - 10.1/0.1 [1] 1.421085e-14 > options(digits=17) > 10.1/0.1 [1] 100.99999999999999 > trunc(10.1/0.1) [1] 100 On Thu, Oct 22, 2020 at 11:42 AM 奈良県奈良市 <jaaji...@gmail.com> wrote: > Dear R project team > > I used the function of "matrix" as follows: > matrix(c(1:3030), 10.1/0.1) > However, in the function, matrix, 10.1/0.1 was regarded as 100 not as 101. > Therefore, a warning message appeared. > On the other hand, matrix(c(1:3030), 101) or matrix(c(1:3030), 10.1*10) was > OK. Of course, simply, 10.1/0.1 was successfully calculated. However, > In the "matrix" environment, 10.1/0.1 was calculated as 100. > > Would you give me some answers? > > Sincerely > > Kazuki Sakura > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
