SimPEG.directives.UpdatePreconditioner#

class SimPEG.directives.UpdatePreconditioner(update_every_iteration=True, **kwargs)[source]#

Bases: InversionDirective

Create a Jacobi preconditioner for the linear problem

Attributes

debug	verbose.debug has been deprecated.
dmisfit	Data misfit associated with the directive.
invProb	Inverse problem associated with the directive.
inversion	Inversion object associated with the directive.
opt	Optimization algorithm associated with the directive.
reg	Regularization associated with the directive.
simulation	Return simulation for all data misfits.
survey	Return survey for all data misfits
update_every_iteration	Whether to update the preconditioner at every iteration.
verbose	Whether or not to print debugging information.

Methods

endIter()	Update inversion parameter(s) according to directive at end of iteration.
finish()	Update inversion parameter(s) according to directive at end of inversion.
initialize()	Initialize inversion parameter(s) according to directive.
validate([directiveList])	Validate directive.

Galleries and Tutorials using SimPEG.directives.UpdatePreconditioner#

Maps: ComboMaps

Maps: ComboMaps

PF: Gravity: Tiled Inversion Linear

PF: Gravity: Tiled Inversion Linear

Magnetic inversion on a TreeMesh

Magnetic inversion on a TreeMesh

Magnetic inversion on a TreeMesh

Magnetic inversion on a TreeMesh

Magnetic Amplitude inversion on a TreeMesh

Magnetic Amplitude inversion on a TreeMesh

PF: Gravity: Laguna del Maule Bouguer Gravity

PF: Gravity: Laguna del Maule Bouguer Gravity

2.5D DC Resistivity and IP Least-Squares Inversion

2.5D DC Resistivity and IP Least-Squares Inversion

3D Least-Squares Inversion of DC and IP Data

3D Least-Squares Inversion of DC and IP Data

Least-Squares Inversion of Gravity Anomaly Data

Least-Squares Inversion of Gravity Anomaly Data

Sparse Norm Inversion of Gravity Anomaly Data

Sparse Norm Inversion of Gravity Anomaly Data

Sparse Inversion with Iteratively Re-Weighted Least-Squares

Sparse Inversion with Iteratively Re-Weighted Least-Squares

1D Inversion of Time-Domain Data for a Single Sounding

1D Inversion of Time-Domain Data for a Single Sounding

Joint PGI of Gravity + Magnetic on an Octree mesh using full petrophysical information

Joint PGI of Gravity + Magnetic on an Octree mesh using full petrophysical information

Joint PGI of Gravity + Magnetic on an Octree mesh without petrophysical information

Joint PGI of Gravity + Magnetic on an Octree mesh without petrophysical information

Cross-gradient Joint Inversion of Gravity and Magnetic Anomaly Data

Cross-gradient Joint Inversion of Gravity and Magnetic Anomaly Data

1D Inversion of for a Single Sounding

1D Inversion of for a Single Sounding

Sparse Norm Inversion for Total Magnetic Intensity Data on a Tensor Mesh

Sparse Norm Inversion for Total Magnetic Intensity Data on a Tensor Mesh

Sparse 1D Inversion of Sounding Data

Sparse 1D Inversion of Sounding Data

2.5D DC Resistivity Least-Squares Inversion

2.5D DC Resistivity Least-Squares Inversion

2.5D DC Resistivity Inversion with Sparse Norms

2.5D DC Resistivity Inversion with Sparse Norms

3D Least-Squares Inversion of DC Resistivity Data

3D Least-Squares Inversion of DC Resistivity Data