Sparse matrix library.
$ npm i ml-sparse-matrix
import { SparseMatrix } from "ml-sparse-matrix";
const matrix1 = new SparseMatrix([
[1, 2],
[3, 4],
]);
const matrix2 = new SparseMatrix([
[0, 5],
[6, 7],
]);
const product = matrix1.kroneckerProduct(matrix2);
