《吴恩达Machine Learning》--- 第一周

Introduction

What is Machine Learning?

答案：A

解析：

A：T；  B：E；  C：P。

Supervised Learning

答案：C

Unsupervised Learning

答案：BC

Review Introduction

  

Model and Cost Function

Model Representation

Cost Function

 

Cost Function -Intuition 1

Parameter Learning

Gradient Descent

Gradient Descent Intuition

 

Gradient Descent For Linear Regression 

Review Linear Regression with One Variable

 

 

Linear Algebra Review

Matrices and Vectors

Addition and Scalar Multiplication

 

 

 

Matrix Vector Multiplication

 

Matrix Matrix Multiplication

Review Linear Algebra