AlgoDaily - Toeplitz Matrix

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var assert = require('assert');
​
function is_toeplitz_matrix(matrix) {
    //fill in
    return matrix
}
​
try {
    assert.equal(is_toeplitz_matrix([
        [1, 2, 3, 4],
        [5, 1, 2, 3],
        [9, 5, 1, 2]
    ]), true);
​
    console.log('PASSED: ' + "is_toeplitz_matrix([[1,2,3,4],[5,1,2,3],[9,5,1,2]]) should return `true`");
} catch (err) {
    console.log(err);
}
​
try {
    assert.equal(is_toeplitz_matrix([
        [1, 2, 3],
        [4, 1, 2],
        [5, 4, 1]
    ]), true);
​
    console.log('PASSED: ' + "is_toeplitz_matrix([[1,2,3],[4,1,2],[5,4,1]]) should return `true`");

OUTPUT

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