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Changed time_scaling #8

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Changed time_scaling #8

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10 changes: 6 additions & 4 deletions mor/morprojector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -82,8 +82,6 @@ def compute_basis(self, n_basis, inner_product="L2", time_scaling=False, delta_t
D = np.zeros((len(self.snaps), len(self.snaps)))
for i in range(len(self.snaps)):
D[i, i] = np.sqrt(delta_t[i])
D[0, 0] = np.sqrt(delta_t[0] / 2.0)
D[-1, -1] = np.sqrt(delta_t[-1] / 2.0)

# D'MD
corr_mat = np.matmul(D.transpose(), np.matmul(corr_mat, D))
Expand All @@ -105,8 +103,12 @@ def compute_basis(self, n_basis, inner_product="L2", time_scaling=False, delta_t

psi_mat = np.zeros((self.snaps[-1].function_space().dof_count, n_basis))

for i in range(n_basis):
psi_mat[:, i] = self.snap_mat.dot(v[:, i]) / np.sqrt(w[i])
if time_scaling is True and delta_t is not None:
for i in range(n_basis):
psi_mat[:, i] = self.snap_mat.dot(v[:, i]) * D[i,i] / np.sqrt(w[i])
else:
for i in range(n_basis):
psi_mat[:, i] = self.snap_mat.dot(v[:, i]) / np.sqrt(w[i])

ratio = np.sum(w[:n_basis]) / np.sum(w[:M])

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