章 84: Chapter 73: Inspiration from Dimensionality Reduction Attack (9/10 for first order, requesting monthly pass)

After dinner, returning to the library for the second time, it was, as usual, time for Qiao Ze to help Su Mucheng with her difficult problems.

After watching teaching videos all afternoon, the questions that weren't quite understood would all be explained during this time.

Today, there was an additional beneficiary—Chen Yiwen.

For Qiao Ze, this wasn't considered a burden.

Explaining these simple fundamental concepts was just the right way to relax his brain.

...

"Ask," As the three of them got ready, Chen Yiwen heard Qiao Ze say these simple two words to Su Mucheng, then unconsciously looked towards the two of them.

Su Mucheng, who hadn't seemed to be paying much attention in the afternoon, now became serious and pushed her notebook to the middle between her and Qiao Ze. Then she leaned her entire head in closer: "Qiao Ze, I didn't quite understand the part about matrix dimensionality reduction in linear algebra today, it seems a bit different from what's in our textbook?"