def derivtest(self, deriv_fct):
m0 = np.log(self.sigma) + np.random.rand(self.mesh.nC)
self.prob.model = m0
return tests.checkDerivative(deriv_fct,
np.log(self.sigma),
num=3,
plotIt=False)
def test_misfit(self):
passed = tests.checkDerivative(
lambda m: [self.p.dpred(m), lambda mx: self.p.Jvec(self.m0, mx)],
self.m0,
plotIt=False,
num=3,
)
self.assertTrue(passed)
def JvecTest(self):
print("\nTesting Jvec")
x0 = model
def fun(x):
return [
self.secondarySimulation.dpred(x),
lambda x: self.secondarySimulation.Jvec(
x0, x, f=self.fields_primsec),
]
return tests.checkDerivative(fun, x0, num=2, plotIt=False)
def test_derivs(self):
tests.checkDerivative(CasingMagDipoleDeriv_r,
np.ones(n) * 10 + np.random.randn(n),
plotIt=False)
tests.checkDerivative(CasingMagDipoleDeriv_z,
np.random.randn(n),
plotIt=False)
tests.checkDerivative(
CasingMagDipole2Deriv_z_r,
np.ones(n) * 10 + np.random.randn(n),
plotIt=False,
)
tests.checkDerivative(CasingMagDipole2Deriv_z_z,
np.random.randn(n),
plotIt=False)
def JvecTest(self,
prbtype="ElectricField",
sigmaInInversion=False,
invertMui=False):
self.setUpProb(prbtype, sigmaInInversion, invertMui)
print("Testing Jvec {}".format(prbtype))
def fun(x):
return (
self.simulation.dpred(x),
lambda x: self.simulation.Jvec(self.m0, x),
)
return tests.checkDerivative(fun, self.m0, num=3, plotIt=False)
def derivTest(fdemType, comp):
prb = getFDEMProblem(fdemType, comp, SrcType, freq)
# prb.solverOpts = dict(check_accuracy=True)
print("{0!s} formulation - {1!s}".format(fdemType, comp))
x0 = np.log(np.ones(prb.sigmaMap.nP) * CONDUCTIVITY)
# mu = np.log(np.ones(prb.mesh.nC)*MU)
if addrandoms is True:
x0 = x0 + np.random.randn(prb.sigmaMap.nP) * np.log(CONDUCTIVITY) * 1e-1
# mu = mu + np.random.randn(prb.sigmaMap.nP)*MU*1e-1
survey = prb.survey
def fun(x):
return prb.dpred(x), lambda x: prb.Jvec(x0, x)
return tests.checkDerivative(fun, x0, num=2, plotIt=False, eps=FLR)
def DerivJvecTest(inputSetup, comp="All", freq=False, expMap=True):
(M, freqs, sig, sigBG, rx_loc) = inputSetup
survey, simulation = nsem.utils.test_utils.setupSimpegNSEM_ePrimSec(
inputSetup, comp=comp, singleFreq=freq, expMap=expMap)
print("Using {0} solver for the simulation".format(simulation.Solver))
print(
"Derivative test of Jvec for eForm primary/secondary for {} comp at {}\n"
.format(comp, survey.freqs))
# simulation.mapping = Maps.ExpMap(simulation.mesh)
# simulation.sigmaPrimary = np.log(sigBG)
x0 = np.log(sigBG)
# cond = sig[0]
# x0 = np.log(np.ones(simulation.mesh.nC)*cond)
# simulation.sigmaPrimary = x0
# if True:
# x0 = x0 + np.random.randn(simulation.mesh.nC)*cond*1e-1
survey = simulation.survey
def fun(x):
return simulation.dpred(x), lambda x: simulation.Jvec(x0, x)
return tests.checkDerivative(fun, x0, num=3, plotIt=False, eps=FLR)
def test_dataObj(self):
passed = tests.checkDerivative(
lambda m: [self.dmis(m), self.dmis.deriv(m)], self.m0, plotIt=False, num=6
)
self.assertTrue(passed)
