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ODE: E1 DETEST
ID:  365ecb0af746b3c01fa9c927f6b63795
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xd0 = 1.0
xd1 = x2
xd2 = -1.0*(x2/(x0+1.0))-(1.0-(1.0/(4.0*(x0+1.0)**2)))*x1
x0(t) = t
x1(t) = (c1*cos(t)+(c2+c1/2.0)*sin(t))/sqrt(t+1.0)
x2(t) = (cos(t)*(c2+(c1-c1/(t+1))/2.0)-sin(t)*(c1+(c2+c1/2.0)/2.0/(t+1)))/sqrt(t+1.0)
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IVP: 64
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x0 = 0.0
x1 = 0.6713967071418030
x2 = 0.0954005144747446
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IVP: 65
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x0 = 0.0
x1 = [0.67,0.68]
x2 = 0.0954005144747446