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from vpython import *

oscillation = graph(xtitle='time', ytitle='Drag mouse to see value')
funct1 = gcurve(color=color.blue, width=4)
funct2 = gvbars(delta=0.4, color=color.red)
funct3 = gdots(color=color.orange, size=3)

for t in range(-30, 74, 1):
    rate(50)
    funct1.plot( pos=(t, 5.0+5.0*cos(-0.2*t)*exp(0.015*t)) )
    funct2.plot( pos=(t, 2.0+5.0*cos(-0.1*t)*exp(0.015*t)) )
    funct3.plot( pos=(t, 5.0*cos(-0.03*t)*exp(0.015*t)) )


    

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