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[matrix] Annotation of /pkg/Matrix/man/externalFormats.Rd
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Annotation of /pkg/Matrix/man/externalFormats.Rd

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Original Path: pkg/man/externalFormats.Rd

1 : bates 825 \name{externalFormats}
2 :     \alias{readHB}
3 :     \alias{readMM}
4 :     \title{Read and write external matrix formats}
5 :     \description{
6 :     Read matrices stored in the Harwell-Boeing or MatrixMarket formats.
7 :     }
8 :     \usage{
9 :     readHB(filename)
10 :     readMM(filename)
11 :     }
12 :     \arguments{
13 :     \item{filename}{the name of the file to read, as a character scalar.
14 :     The names of files storing matrices in the Harwell-Boeing format
15 :     usually end in \code{".rua"} or \code{".rsa"}. Those storing
16 :     matrices in the MatrixMarket format usually end in {".mtx"}.}
17 :     }
18 :     \value{
19 :     An object that inherits from the \code{"Matrix"} class.
20 :     }
21 :     \references{
22 :     \url{http://math.nist.gov/MatrixMarket}
23 : bates 826
24 :     \url{http://www.cise.ufl.edu/research/sparse/matrices}
25 : bates 825 }
26 : bates 826 \examples{
27 :     str(pores <- readMM(system.file("external/pores_1.mtx", package = "Matrix")))
28 :     str(utm <- readHB(system.file("external/utm300.rua", package = "Matrix")))
29 :     }
30 : bates 825 \keyword{IO}
31 :     \keyword{algebra}
32 :    

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