ML -- the first week

Posted 2020-10-07

1.

superised learning: "right answers" given

examples: house price, breast cancer

 

 

 

In this lession, I learned how to make a distinction between classification and regession problems.

 

2.unsupervised learning:

examples:Organised computing clusters, Social network analysis, Market segmentation, Astronomical data analysis.

and there is a problem which I can‘t understand now, it is the Cocktail party problem, it is about how to seperate out audio.

the algirithms is: [W,s,v] = svd((repmat(sum*(x.*x, 1), size(x, 1), 1).*x)*x‘);

I‘ll make it in next months.

老师说我的答案是对的，那图片上的答案就给错了， 呵哈哈哈哈哈。