Verlet integrator, to deal with an argument from the pub.

Pete Shadbolt 648c993360 Working, job done		5年前
.gitignore	Initial commit	5年前
LICENSE	Initial commit	5年前
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main.py	Working, job done	5年前
verlet.py	Working, job done	5年前

Driven coupled parametric oscillators

Settling a discussion from the pub.