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Abstract: Even though the task of multiplying matrices appears to be rather straightforward, it can be quite challenging in practice. Many researchers have focused on how to effectively multiply two 2 ...

University of Pennsylvania researchers tweaked an AI tutor to tailor the difficulty of practice problems for each student.

The final round of AI Madness 2026 is here. We pitted ChatGPT against Claude in 7 brutal, real-world benchmarks — from senior ...