Aliases: formatSparseM .formatSparseSimple
### ** Examples m <- suppressWarnings(matrix(c(0, 3.2, 0,0, 11,0,0,0,0,-7,0), 4,9)) fm <- formatSparseM(m) noquote(fm)
[1,] . 11 . 3.2 . -7.0 . . . [2,] 3.2 . -7 . . . . . . [3,] . . . . . . 11 . 3.2 [4,] . . . 11.0 . 3.2 . -7 .
## nice, but this is nicer {with "units" vertically aligned}: print(fm, quote=FALSE, right=TRUE)
[1,] . 11 . 3.2 . -7.0 . . . [2,] 3.2 . -7 . . . . . . [3,] . . . . . . 11 . 3.2 [4,] . . . 11.0 . 3.2 . -7 .
## and "the same" as : Matrix(m)
4 x 9 sparse Matrix of class "dgCMatrix"
[1,] . 11 . 3.2 . -7.0 . . .
[2,] 3.2 . -7 . . . . . .
[3,] . . . . . . 11 . 3.2
[4,] . . . 11.0 . 3.2 . -7 .
## align = "right" is cheaper --> the "." are not aligned: noquote(f2 <- formatSparseM(m,align="r"))
[1,] . 11 . 3.2 . -7.0 . . . [2,] 3.2 . -7 . . . . . . [3,] . . . . . . 11 . 3.2 [4,] . . . 11.0 . 3.2 . -7 .
stopifnot(f2 == fm | m == 0, dim(f2) == dim(m), (f2 == ".") == (m == 0))