function get( i, j ) {
		/* eslint-disable no-invalid-this */
		var idx = this.offset + ( i*this.strides[0] ) + ( j*this.strides[1] );
		return this.data[ idx ];
	}
Returns a matrix element based on the provided row and column indices.

@private
@param {integer} i - row index
@param {integer} j - column index
@returns {(number|undefined)} matrix element