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Has the course number changed? It’s not on the Open Courseware list.

https://ocw.mit.edu/courses/mathematics/

It is 18.03. He may have just inadvertently flipped the 0 and 3. It is 18.03 now, and was in 2002 :D.

No, it's not 18.03 (which is differential equation). Check the syllabus.

http://www.ellerman.org/wp-content/uploads/2016/06/Guidi-Not...

Seems that after Gian-Carlo Rota died, the class is defunct. The closet one can get is 18.175, but it still presents material from purely theoretical standpoint (e.g. no application to physics to CS).

Hmm my mistake. The blog post said Differential Equation and a classroom of 300 some students. Not many non-core classes have 300 students in them. I remember my diff eq class (18.03) being rather large (similar to 8.01, 18.01, etc etc).

While 18.03 is not core, it is a requirement for most engineering disciplines at MIT.

The confusion is that the article refers to two different courses:

"18.30, differential equation, the largest mathematics course at MIT, with more than 300 students" [ths might be the course that is now 18.03]

"18.313, a course I teach in advanced probability theory"

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