Матрицы. Системы линейных уравнений. Виды матриц.
Лекция 1. Общий вид системы линейных уравнений. Определение матрицы. Виды матриц.
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![Как будто про наш мир сказано [Отроки во Вселенной, 1974]](https://sun9-64.userapi.com/oQtpZemEQJhCyVc-vVZ_nol0jO7FvkIYzk47AQ/X2WUOe5c3hw.jpg)
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