Is this possibly FAQ 7.31? Print your matrix with options(digit=20) to see better what the values are. You might also look at 'all.equal'.
On Thu, Nov 10, 2011 at 7:05 PM, Rui Esteves <ruimax...@gmail.com> wrote: > Hello. > > I have this matrix: > > cy [,1] [,2] [,3] [,4] [,5] [,6] > [1,] 1.0000000 1.0000000 -0.5164570 -0.5164087 -0.4004139 -0.4003719 > [2,] 1.0000000 1.0000000 -0.5164570 -0.5164087 -0.4004139 -0.4003719 > [3,] -0.5164570 -0.5164570 1.0000000 1.0000000 -0.1186691 -0.1186972 > [4,] -0.5164087 -0.5164087 1.0000000 1.0000000 -0.1186995 -0.1187276 > [5,] -0.4004139 -0.4004139 -0.1186691 -0.1186995 1.0000000 1.0000000 > [6,] -0.4003719 -0.4003719 -0.1186972 -0.1187276 1.0000000 1.0000000 > [7,] -0.4058070 -0.4058070 -0.1150400 -0.1150706 0.9999826 0.9999824 > [8,] -0.4061715 -0.4061715 -0.1147942 -0.1148249 0.9999802 0.9999799 > [9,] -0.4061804 -0.4061804 -0.1147882 -0.1148189 0.9999801 0.9999799 > [10,] 1.0000000 1.0000000 -0.5164570 -0.5164087 -0.4004139 -0.4003719 > [,7] [,8] [,9] [,10] > [1,] -0.4058070 -0.4061715 -0.4061804 1.0000000 > [2,] -0.4058070 -0.4061715 -0.4061804 1.0000000 > [3,] -0.1150400 -0.1147942 -0.1147882 -0.5164570 > [4,] -0.1150706 -0.1148249 -0.1148189 -0.5164087 > [5,] 0.9999826 0.9999802 0.9999801 -0.4004139 > [6,] 0.9999824 0.9999799 0.9999799 -0.4003719 > [7,] 1.0000000 0.9999999 0.9999999 -0.4058070 > [8,] 0.9999999 1.0000000 1.0000000 -0.4061715 > [9,] 0.9999999 1.0000000 1.0000000 -0.4061804 > [10,] -0.4058070 -0.4061715 -0.4061804 1.0000000 > > > I want to know the coordinates of the 1's only in the cy's lower triangle. > > > If I do cy%in%1 or cy ==1 I have this result: [1] TRUE FALSE FALSE > FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE > [13] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE > [25] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE > [37] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE > [49] FALSE FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE > [61] FALSE FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE > [73] FALSE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE > [85] FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE > > [97] FALSE FALSE FALSE TRUE > > It seems that is only considering the principal diagonal. > > > I don't understand why... > > > Thank you, > > > Rui > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > 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. > -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. ______________________________________________ R-help@r-project.org mailing list 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.
