Revision 03698027c2d84118bd0c53c4a9a5b5d23676f388 authored by HwB on 01 October 2012, 00:00:00 UTC, committed by Gabor Csardi on 01 October 2012, 00:00:00 UTC
1 parent 9fdea5d
mldivide.R
##
## m l d i v i d e . R Matlab backslash Operator
##
mldivide <- function(A, B) {
stopifnot(is.numeric(A) || is.complex(A),
is.numeric(B) || is.complex(B))
if (is.vector(A)) A <- as.matrix(A)
if (is.vector(B)) B <- as.matrix(B)
if (nrow(A) != nrow(A))
stop("Matrices 'A' and 'B' must have the same number of rows.")
qr.solve(A, B)
}
mrdivide <- function(A, B) {
stopifnot(is.numeric(A) || is.complex(A),
is.numeric(B) || is.complex(B))
if (is.vector(A)) A <- t(A)
if (is.vector(B)) B <- t(B)
if (ncol(A) != ncol(A))
stop("Matrices 'A' and 'B' must have the same number of columns.")
t(mldivide(t(B), t(A)))
}
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