date: 2024-04-08
title: Product
status: DONE
author:
  - AllenYGY
tags:
  - LinearAlgebra
  - Matrix
  - OuterProducts
  - InnerProducts
  - NOTE
created: 2024-04-08T09:46
updated: 2024-04-08T20:17
publish: TrueProduct
For vector a and b
内积的几何意义
点乘的几何意义是可以用来表征或计算两个向量之间的夹角,以及在b向量在a向量方向上的投影。