# matrix.coo-class

From SparseM v1.78
by Roger Koenker

##### Class "matrix.coo"

A new class for sparse matrices stored in coordinate format

- Keywords
- classes

##### Objects from the Class

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

.

##### Slots

`ra`

:Object of class

`numeric`

, a real array of nnz elements containing the non-zero elements of A.`ja`

:Object of class

`integer`

, an integer array of nnz elements containing the column indices of the elements stored in `ra'.`ia`

:Object of class

`integer`

, an integer array of nnz elements containing the row indices of the elements stored in `ra'.`dimension`

:Object of class

`integer`

, dimension of the matrix

##### Methods

- as.matrix.csr
`signature(x = "matrix.coo")`

: ...- as.matrix
`signature(x = "matrix.coo")`

: ...- dim
`signature(x = "matrix.coo")`

: ...

##### See Also

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

### Community examples

Looks like there are no examples yet.