Report an issue

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Report an issue

Found a typo, a mathematical error, an unclear explanation, or a problem with a figure or link? Describe what you noticed. A suggested fix is welcome but not required.

Page
Add the lecture or page name to your report.
Section
Add the section or example number, if known.
Link to the material
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Public report

Use the GitHub form to make the issue and its resolution visible to everyone. A GitHub account is required.

Reports are public. Do not include homework solutions or personal information.

Open public GitHub form

Private email

Email the instructor if you prefer a private report or do not have a GitHub account. This opens a draft in your email app; you review and send it.

Email privately

If no email app opens, write to yiqiao.zhong@wisc.edu and include the page and section above.

For questions about the material, use Canvas Discussions or ask in class. Public conversation is also welcome in the Disqus comments on each lecture and the preface. See which channel to use.