wassname/simpeg
1
0
Fork 0
mirror of https://github.com/wassname/simpeg.git synced 2026-07-19 11:28:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

fixes to inversion framework. DC problem is kinda working…?!

Browse Source
This commit is contained in:
Rowan Cockett
2013-10-23 18:35:37 -07:00
parent 548ba9aa0a
commit d94d3f7f37
2 changed files with 25 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
SimPEG/forward/DCProblem.py
+13 -11
View File
@@ -140,8 +140,8 @@ if __name__ == '__main__':
from SimPEG import inverse
# Create the mesh
h1 = np.ones(10)
h2 = np.ones(10)
h1 = np.ones(100)
h2 = np.ones(100)
mesh = TensorMesh([h1,h2])
# Create some parameters for the model
@@ -177,7 +177,7 @@ if __name__ == '__main__':
dobs, Wd = synthetic.createData(mSynth, std=0.05)
u = synthetic.field(mSynth)
mesh.plotImage(u[:,10], showIt=False)
# mesh.plotImage(u[:,10], showIt=False)
# Now set up the problem to do some minimization
problem = DCProblem(mesh)
@@ -190,23 +190,25 @@ if __name__ == '__main__':
# print problem.misfit(m0)
# print problem.misfit(mSynth)
opt = inverse.InexactGaussNewton(maxIterLS=20)
opt = inverse.InexactGaussNewton(maxIterLS=20, maxIter=1)
reg = Regularization(mesh)
inv = inverse.Inversion(problem, reg, opt)
inv.run(m0)
m = inv.run(m0)
mesh.plotImage(m,showIt=True)
# Check Derivative
derChk = lambda m: [problem.misfit(m), problem.misfitDeriv(m)]
derChk = lambda m: [inv.dataObj(m), inv.dataObjDeriv(m)]
checkDerivative(derChk, mSynth)
# Adjoint Test
u = np.random.rand(mesh.nC)
v = np.random.rand(mesh.nC)
w = np.random.rand(dobs.shape[0])
print w.dot(problem.J(mSynth, v, u=u))
print v.dot(problem.Jt(mSynth, w, u=u))
# u = np.random.rand(mesh.nC)
# v = np.random.rand(mesh.nC)
# w = np.random.rand(dobs.shape[0])
# print w.dot(problem.J(mSynth, v, u=u))
# print v.dot(problem.Jt(mSynth, w, u=u))