[Stanford]Machine Learning Week #5 作业讨论帖

交作业啦

Deadline前终于把编程作业搞定了

done

赶紧追Week 6.。。。

Week 5 done.

之前出去玩 交作业有点晚

来补第五周

继续补，不过这几周都有penalty，final惹的祸

Week 5作业。求加分 。

X. Neural Networks: Learning (Week 5)
(collapsed, click to expand)
Completed
Neural Network Learning Help

View Instructions
Due Date        Sun 3 Aug 2014 11:59 PM PDT
If you submit after the due date (but before the hard deadline), your submission score will be penalized 20%.

Hard Deadline        Sun 14 Sep 2014 11:59 PM PDT
If you submit any time after the hard deadline, you will not receive credit.

Part        Name        Last Submission        Score        Feedback       
1 / 5        Feedforward and Cost Function        Tue 22 Jul 2014 7:38 AM PDT        30.00 / 30        View       
2 / 5        Regularized Cost Function        Tue 22 Jul 2014 7:50 AM PDT        15.00 / 15        View       
3 / 5        Sigmoid gradient        Tue 22 Jul 2014 7:55 AM PDT        5.00 / 5        View       
4 / 5        Neural Net Gradient Function (Backpropagation)        Tue 22 Jul 2014 9:04 AM PDT        40.00 / 40        View       
5 / 5        Regularized Gradient        Tue 22 Jul 2014 9:10 AM PDT        10.00 / 10        View       
Total Score        100 / 100

(expanded, click to collapse)
Completed
IX. Neural Networks: Learning Help

Attempt Review Question
Due Date        Sun 3 Aug 2014 11:59 PM PDT
If you submit after the due date (but before the hard deadline), your submission score will be penalized 20%.

Hard Deadline        Sun 14 Sep 2014 11:59 PM PDT
If you submit any time after the hard deadline, you will not receive credit.

Effective Score        4.75 / 5.00
Explanation: 4.75 = 4.75 (Score for attempt 1) * 100% (No penalties)
Each time that you attempt it, we'll record a score based on your performance and any penalties due to late submissions. Your effective score will be the highest score of all the allowed attempts made before the hard deadline.

# of Attempts        1 / 100
Last Attempted        Tue 22 Jul 2014 12:09 AM PDT
Last Attempted Score        4.75 / 5.00