---
title: "1. 方程组的几何解"
date: 2022-05-05T02:17:55+08:00
tags: [""]
categories: ["系统理论课程"]
---
Linear equations can be written as $$A \times X = B$$
Find **linear combination** of columns (x's coefficient vector, and y's ciefficient vector);
任何一个线性方程可以从两�
