The R Project SVN R

Rev

Rev 61433 | Rev 66456 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 61433 Rev 62172
Line 9... Line 9...
9 
\title{Solve an Upper or Lower Triangular System}
 9 
\title{Solve an Upper or Lower Triangular System}
10 
\description{
 10 
\description{
11 
  Solves a triangular system of linear equations.
 11 
  Solves a triangular system of linear equations.
12 
}
 12 
}
13 
\usage{
 13 
\usage{
14 
   backsolve(r, x, k = ncol(r), upper.tri = TRUE, transpose = FALSE)
 14 
   backsolve(r, x, k = ncol(r), upper.tri = TRUE,
- 
 
 15 
             transpose = FALSE)
15 
forwardsolve(l, x, k = ncol(l), upper.tri = FALSE, transpose = FALSE)
 16 
forwardsolve(l, x, k = ncol(l), upper.tri = FALSE,
- 
 
 17 
             transpose = FALSE)
16 
}
 18 
}
17 
\arguments{
 19 
\arguments{
18 
  \item{r, l}{an upper (or lower) triangular matrix giving the
 20 
  \item{r, l}{an upper (or lower) triangular matrix giving the
19 
    coefficients for the system to be solved.  Values below (above)
 21 
    coefficients for the system to be solved.  Values below (above)
20 
    the diagonal are ignored.}
 22 
    the diagonal are ignored.}