PolyMathsStep size, Euler and RK410–15 min
Step Size Lab
Choose a step size so Euler lands within a target error of the exact decay curve, compare Euler with RK4 at the same step, and find the step at which Euler starts to oscillate on a stiff decay.
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The experiment opens when it comes into view.
Theory and model assumptions
Choose a step size so Euler lands within a target error of the exact decay curve, compare Euler with RK4 at the same step, and find the step at which Euler starts to oscillate on a stiff decay.
Teacher guidance
Poly engineering mathematics: numerical solution of first-order ODEs with Euler and RK4 (generic)
Expected time: 10–15 minutes.