Write a JavaScript program to check whether a matrix is a diagonal matrix or not. In linear algebra, a diagonal matrix is a matrix in which the entries outside the main diagonal are all zero (the diagonal from the upper left to the lower right)
- برمجة جافاسكربت java script
- برمجة
- 2021-06-02
- ahmadghneem
الأجوبة
function is_diagonal_matrix(user_matrix) {
for (var i = 0; i < user_matrix.length; i++) {
for (var j = 0; j < user_matrix.length; j++) {
if (i !== j && user_matrix[i][j] !== 0)
return false;
}
}
return true;
}
console.log(is_diagonal_matrix([[1, 0, 0], [0, 2, 0], [0, 0, 3] ]));
console.log(is_diagonal_matrix([[1, 0, 0], [0, 2, 3], [0, 0, 3] ]));
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