swh:1:snp:a4c99a50dc49f82b591f268001b320f8c3ca0041
Tip revision: 1c016a1d9d1dc7690f7c256204f737661d261cb0 authored by jmc on 20 September 2007, 00:00:00 UTC
version 0.96
version 0.96
Tip revision: 1c016a1
triDiag.R
triDiag <- function(diagonal, upper, lower,
nrow = length(diagonal), ncol = nrow) {
value <- diag(diagonal, nrow, ncol)
R <- row(value)
C <- col(value)
value[C == R + 1] <- upper
value[C == R - 1] <- lower
value
}