Things of interest to Bill Heyman

When I first took ordinary differential equations, the pattern was always the same. Week 1 turns int...

Saved Jan 8, 2026

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When I first took ordinary differential equations, the pattern was always the same. Week 1 turns into a speedrun of methods: separation of variables, integrating factors, variation of parameters, Bernoulli, exact equations… and by Week 2 or 3 the course has quietly degenerated https://t.co/1gmLRPazDi

When I first took ordinary differential equations, the pattern was always the same. Week 1 turns into a speedrun of methods: separation of variables, integrating factors, variation of parameters, Bernoulli, exact equations… and by Week 2 or 3 the course has quietly degenerated https://t.co/1gmLRPazDi