Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

请问条件随机场的学习算法那里，对参数求偏导那一步的公式是不是有问题 #2

Open
YanZiBuGuiCHunShiWan opened this issue Jun 25, 2022 · 3 comments
Open

请问条件随机场的学习算法那里，对参数求偏导那一步的公式是不是有问题 #2

YanZiBuGuiCHunShiWan opened this issue Jun 25, 2022 · 3 comments

Comments

@YanZiBuGuiCHunShiWan
Copy link

image
@YanZiBuGuiCHunShiWan
Copy link
Author

不好意思，发错地儿了，是在ML那个项目里的

@zhulei227
Copy link
Owner

抱歉，这里对log Z_w的梯度计算错了，对w_k求偏导后的分子项中少了 \sum_y的计算，这里只计算了y_j，需要把非y_j的其他可能取值也考虑进去~~

@YanZiBuGuiCHunShiWan
Copy link
Author

好的，感谢！过了一年才发现之前留言了

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
2 participants
@zhulei227 @YanZiBuGuiCHunShiWan