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[matrix] Diff of /pkg/man/dsCMatrix-class.Rd
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Diff of /pkg/man/dsCMatrix-class.Rd

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revision 481, Wed Feb 2 15:01:50 2005 UTC revision 547, Tue Feb 15 22:09:25 2005 UTC
# Line 1  Line 1 
1  \name{dsCMatrix-class}  \name{dsCMatrix-class}
2  \docType{class}  \docType{class}
3  \alias{dsCMatrix-class}  \alias{dsCMatrix-class}
4    \alias{dsTMatrix-class}
5  \alias{solve,dsCMatrix,matrix-method}  \alias{solve,dsCMatrix,matrix-method}
6  \alias{chol,dsCMatrix,missing-method}  \alias{chol,dsCMatrix,missing-method}
7  \alias{chol,dsCMatrix,logical-method}  \alias{chol,dsCMatrix,logical-method}
# Line 14  Line 15 
15  \description{The \code{dsCMatrix} class is a class of symmetric, sparse  \description{The \code{dsCMatrix} class is a class of symmetric, sparse
16    matrices in the compressed, column-oriented format.  In this    matrices in the compressed, column-oriented format.  In this
17    implementation the non-zero elements in the columns are sorted into    implementation the non-zero elements in the columns are sorted into
18    increasing row order.}    increasing row order. The \code{dsTMatrix} class is a class of
19      symmetric, sparse matrices in triplet format.}
20  \section{Objects from the Class}{  \section{Objects from the Class}{
21    Objects can be created by calls of the form \code{new("dsCMatrix", ...)}.    Objects can be created by calls of the form \code{new("dsCMatrix",
22        ...)} or \code{new("dsTMatrix", ...)}
23  }  }
24  \section{Slots}{  \section{Slots}{
25    \describe{    \describe{
# Line 26  Line 29 
29        triangle form is allowed.}        triangle form is allowed.}
30      \item{\code{p}:}{Object of class \code{"integer"} of pointers, one      \item{\code{p}:}{Object of class \code{"integer"} of pointers, one
31        for each column, to the initial (zero-based) index of elements in        for each column, to the initial (zero-based) index of elements in
32        the column.}        the column. (Only present in the \code{dsCMatrix} class.)}
33      \item{\code{i}:}{Object of class \code{"integer"} of length nnzero      \item{\code{i}:}{Object of class \code{"integer"} of length nnzero
34        (number of non-zero elements).  These are the row numbers for        (number of non-zero elements).  These are the row numbers for
35        each non-zero element in the matrix.}        each non-zero element in the matrix.}
36        \item{\code{j}:}{Object of class \code{"integer"} of length nnzero
37          (number of non-zero elements).  These are the column numbers for
38          each non-zero element in the matrix. (Only present in the
39          \code{dsTMatrix} class.)}
40      \item{\code{x}:}{Object of class \code{"numeric"} - the non-zero      \item{\code{x}:}{Object of class \code{"numeric"} - the non-zero
41        elements of the matrix.}        elements of the matrix.}
42      \item{\code{factors}:}{Object of class \code{"list"} - a list      \item{\code{factors}:}{Object of class \code{"list"} - a list

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