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Added temporary noise fix to ham pendulum #81

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Jun 6, 2023
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Added temporary noise fix to ham pendulum #81

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8 changes: 8 additions & 0 deletions src/deepbench/physics_object/hamiltonian_pendulum.py
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,14 @@ def simulate_pendulum_dynamics(self, time, **kwargs):
dydt = np.stack(dydt).T
dqdt, dpdt = np.split(dydt, 2) # split the dydt into dqdt and dpdt

# add noise
noise_std = 0.1
q += (
np.random.randn(*q.shape) * noise_std
) # creates a random array of size q.shape and is scaled with noise_std then adds to q for noise
p += (
np.random.randn(*p.shape) * noise_std
) # creates a random array of size p.shape and is scaled with noise_std then adds to p for noise
return q, p, dqdt, dpdt, t_eval

def get_field(self, xmin=-1.2, xmax=1.2, ymin=-1.2, ymax=1.2, gridsize=20):
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