FAQ 7.31 > 10.1/.1 [1] 101 > print(10.1/.1, digits=17) [1] 100.99999999999999 > floor(10.1/.1) [1] 100 > floor(10.1*10) [1] 101 > matrix(0, 2.9, 3.9) [,1] [,2] [,3] [1,] 0 0 0 [2,] 0 0 0 >
note that the dimension arguments are passed through floor() before they are used. On Thu, Oct 22, 2020 at 2:42 PM 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. ______________________________________________ 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.