merge ex1 into main#1

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BaoyiWan wants to merge 3 commits intoCOGS108:mainfrom

Commits on Apr 4, 2025

changed plot title
jasongfleischer
committed

Commits on Sep 6, 2025

made ex1 README fit assignment
jasongfleischer
committed

Commits on Oct 15, 2025

made ex1 branch match main except for text marker
jasongfleischer
authored