Chaos IV : Oscillations

We need two numbers to describe a swinging pendulum: one is its position, the angle versus a vertical line, and the other is its speed, the sign of which indicating that it moves to the right or to the left. Without any friction, a pendulum would swing forever. Galileo Galilei had already remarked this at a young age. Friction makes a pendulum stop after a certain time…

Chaos IV: Oscillations

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