Home > MachineLearning > Main text

[CS229] 03: linear alegbra

Tag: python, machine learning
2018-10-23

03: Linear Algebra - review

  1. 概念：
    • matrix: rectangular array of numbers: rows x columns
    • element: i -> ith row, j -> jth column
    • vector: a nx1 matrix
  2. 操作：
    • 加和: 需要相同的维，才能元素级别的相加减。
    • 标量乘积
    • 混合运算
    • matrix_calculus.jpeg

If you link this blog, please refer to this page, thanks!
Post link：https://tsinghua-gongjing.github.io/posts/CS229-03-linear-alegbra.html
Previous: [CS229] 01 and 02: Introduction, Regression Analysis and Gradient Descent

    Category

    Latest articles

    Links