21 Диагональные и перестановочные матрицы
- Создание и изменение диагональных/перестановочных матриц
- Линейная алгебра с диагональными/перестановочными матрицами
- Функции, поддерживающие эти матрицы
- Примеры использования
- Различия в обработке нулевых элементов
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https://docs.octave.org/v9.4.0/Diagonal-and-Permutation-Matrices.html
