Lecture 1:
Demonstrate the columns of a matrix (imagine the vectors) in N-dimension space.
How to multiply a matrix by a vector -- a different way, multiply the columns by each vectors, which shows Ax is a combination of the columns of A.
Lecture 2:
Lecture 1:
Demonstrate the columns of a matrix (imagine the vectors) in N-dimension space.
How to multiply a matrix by a vector -- a different way, multiply the columns by each vectors, which shows Ax is a combination of the columns of A.
Lecture 2:
GOALS矩阵的对⻆化分解,以及⼀般矩阵的svd分解,以及应⽤pca算法推导逆矩阵以及伪逆举证
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