Function sparse
Create a Sparse Matrix. The function creates a new type.Matrix
object from
an Array
. A Matrix has utility functions to manipulate the data in the
matrix, like getting the size and getting or setting values in the matrix.
Syntax
sparse() // creates an empty sparse matrix.
sparse(data) // creates a sparse matrix with initial data.
sparse(data, 'number') // creates a sparse matrix with initial data, number datatype.
Parameters
Parameter |
Type |
Description |
data |
Array | Matrix |
A two dimensional array |
Returns
Type |
Description |
Matrix |
The created matrix |
Examples
var m = sparse([[1, 2], [3, 4]]);
m.size(); // Array [2, 2]
m.resize([3, 2], 5);
m.valueOf(); // Array [[1, 2], [3, 4], [5, 5]]
m.get([1, 0]) // number 3
See also
bignumber,
boolean,
complex,
number,
string,
unit,
matrix