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rowanc1
65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
import unittest
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from SimPEG import *
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import simpegEM as EM
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class FDEM_bDerivTests(unittest.TestCase):
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def setUp(self):
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cs = 5.
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ncx = 2
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ncy = 2
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ncz = 2
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npad = 3
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hx = Utils.meshTensors(((npad,cs), (ncx,cs), (npad,cs)))
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hy = Utils.meshTensors(((npad,cs), (ncy,cs), (npad,cs)))
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hz = Utils.meshTensors(((npad,cs), (ncz,cs), (npad,cs)))
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mesh = Mesh.TensorMesh([hx,hy,hz])
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XY = Utils.ndgrid(np.linspace(20,50,3), np.linspace(20,50,3))
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rxLoc = np.c_[XY, np.ones(XY.shape[0])*40]
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model = Model.LogModel(mesh)
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x = np.linspace(5,10,3)
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XYZ = Utils.ndgrid(x,x,np.r_[0])
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rxList = EM.FDEM.RxListFDEM(XYZ, 'Ex')
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Tx0 = EM.FDEM.TxFDEM(None, 'VMD', 3, rxList)
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survey = EM.FDEM.SurveyFDEM([Tx0])
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prb = EM.FDEM.ProblemFDEM_e(model)
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prb.pair(survey)
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sigma = np.log(np.ones(mesh.nC)*1e-3)
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j_sx = np.zeros(mesh.vnEx)
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j_sx[4,4,4] = 1
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j_s = np.r_[Utils.mkvc(j_sx),np.zeros(mesh.nEy+mesh.nEz)]
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prb.j_s = j_s
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f = prb.fields(sigma)
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self.sigma = sigma
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self.prb = prb
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self.survey = survey
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def test_Jvec(self):
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x0 = self.sigma
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def fun(x):
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return self.survey.dpred(x), lambda x: self.prb.Jvec(x0, x)
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passed = Tests.checkDerivative(fun, x0, num=3, plotIt=False)
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self.assertTrue(passed)
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# def test_Jtvec(self):
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# v = self.survey.nD
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# x0 = self.sigma
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# def fun(x):
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# return self.survey.dpred(x), lambda x: self.prb.Jvec(x0, x)
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# passed = Tests.checkDerivative(fun, x0, num=3, plotIt=False)
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# self.assertTrue(passed)
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if __name__ == '__main__':
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unittest.main()
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