# matrix.ssc.hb-class

##### Class "matrix.ssc.hb"

A new class consists of the coefficient matrix and the right-hand-side of a linear system of equations, initial guess of the solution and the exact solutions if they exist stored in external files using the Harwell-Boeing format.

- Keywords
- classes

##### Objects from the Class

Objects can be created by calls of the form `new("matrix.ssc.hb", ...)`

.

##### Slots

`ra`

:Object of class

`numeric`

, ra component of the csc or ssc format of the coefficient matrix, X.`ja`

:Object of class

`integer`

, ja component of the csc or s sc format of the coefficient matrix, X.`ia`

:Object of class

`integer`

, ia component of the csc or ssc format of the coefficient matrix, X.`rhs.ra`

:Object of class

`numeric`

, ra component of the right-hand-side, y, if stored in csc or ssc format; right-hand-side stored in dense vector or matrix otherwise.`guess`

:Object of class

`numeric or NULL`

vector of the initial guess of the solutions if they exist; a null vector otherwise.`xexact`

:Object of class

`numeric or NULL`

vector of the exact solutions, b, if they exist; a null vector otherwise.`dimension`

:Object of class

`integer`

, dimenson of the coefficient matrix, X.`rhs.dim`

:Object of class

`integer`

, dimenson of the right-hand-side, y.`rhs.mode`

:Object of class

`character or NULL`

storage mode of the right-hand-side; can be full storage or same format as the coefficient matrix.

##### Extends

Class `"matrix.csc.hb"`

, directly.

##### Methods

- model.matrix
`signature(object = "matrix.ssc.hb")`

: ...

##### See Also

`model.matrix`

, `model.response`

,
`read.matrix.hb`

, `matrix.csc.hb-class`

*Documentation reproduced from package SparseM, version 1.78, License: GPL (>= 2)*