/**
* Gets the stringified Matrix
* @memberof Matrix
* @instance
* @returns {string} Stringified Matrix
*/
function toString() {
const matrix = this._matrix;
const [row, col] = this.size();
let str = '';
for (let i = 0; i < row; i++) {
for (let j = 0; j < col; j++) {
str += matrix[i][j].toString();
if (j !== col - 1) {
str += ' ';
}
}
if (i !== row - 1) {
str += '\n';
}
}
return str;
};
module.exports = toString;