标签：diff rate nat ima demo -- mon near com
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:
标签：diff rate nat ima demo -- mon near com
原文地址：http://www.cnblogs.com/milton/p/6683530.html
