Coding the Matrix => Week 5 => Exchange Lemma

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Coding the Matrix => Week 5 => Homework 5 => Rank

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Coding the Matrix => Week 5 => Homework 5 => Direct Sum

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Coding the Matrix => Week 5 => Homework 5 => Inverse

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Coding the Matrix => Week 5 => Homework 5 => Inverse

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Coding the Matrix => Week 5 => Perspective Lab

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Coding the Matrix => Week 5 => Perspective Lab

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Coding the Matrix => Week 5 => Homework 5

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Merge branch 'Coding_the_Matrix'