mathjs/docs/reference/functions/matrix.md

Function matrix

Create a Matrix. The function creates a new math.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

math.matrix()               // creates an empty matrix using default storage format (dense).
math.matrix(data)           // creates a matrix with initial data using default storage format (dense).
math.matrix('dense')        // creates an empty matrix using the given storage format.
math.matrix(data, 'dense')  // creates a matrix with initial data using the given storage format.

Parameters

Parameter	Type	Description
data	Array | Matrix	A multi dimensional array
format	string	The Matrix storage format

Returns

Type	Description
Matrix	The created matrix

Examples

var m = math.matrix([[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, index, number, string, unit