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All derivatives/adjoints working for FDEM.

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rowanc1
2014-03-30 14:06:54 -07:00
parent 9acaae66db
commit b1613dba65
3 changed files with 144 additions and 74 deletions
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simpegEM/FDEM/FDEM.py
+13 -7
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@@ -132,7 +132,7 @@ class BaseProblemFDEM(Problem.BaseProblem):
if not isinstance(v, self.dataPair):
v = self.dataPair(self.survey, v)
Jtv = np.zeros(self.model.nP, dtype=complex)
Jtv = np.zeros(self.model.nP)
for freq in self.survey.freqs:
AT = self.getA(freq).T
@@ -146,14 +146,20 @@ class BaseProblemFDEM(Problem.BaseProblem):
fPTv = self.calcFields(PTv, freq, rx.projField, adjoint=True)
w = solver.solve( fPTv )
Jtv_tx = self.getADeriv(freq, u_tx, w, adjoint=True)
Jtv_rx = - self.getADeriv(freq, u_tx, w, adjoint=True)
df_dm = self.calcFieldsDeriv(u_tx, freq, rx.projField, PTv, adjoint=True)
if df_dm is None:
Jtv += - Jtv_tx
if df_dm is not None:
Jtv_rx += df_dm
real_or_imag = rx.projComp
if real_or_imag == 'real':
Jtv += Jtv_rx.real
elif real_or_imag == 'imag':
Jtv += - Jtv_rx.real
else:
Jtv += - Jtv_tx + df_dm
raise Exception('Must be real or imag')
return Jtv
@@ -220,9 +226,9 @@ class ProblemFDEM_e(BaseProblemFDEM):
return e
elif fieldType == 'b':
if not adjoint:
b = -1./(1j*omega(freq)) * ( self.mesh.edgeCurl * e )
b = -(1./(1j*omega(freq))) * ( self.mesh.edgeCurl * e )
else:
b = -1./(1j*omega(freq)) * ( self.mesh.edgeCurl.T * e )
b = -(1./(1j*omega(freq))) * ( self.mesh.edgeCurl.T * e )
return b
raise NotImplementedError('fieldType "%s" is not implemented.' % fieldType)