SimPEG.electromagnetics.natural_source.receivers.Point3DTipper.evalDeriv#
- Point3DTipper.evalDeriv(src, mesh, f, du_dm_v=None, v=None, adjoint=False)[source]#
- Derivative of projection with respect to the fields - Parameters:
- strSimPEG.electromagnetics.frequency_domain.sources.BaseFDEMSrc
- NSEM source 
- meshdiscretize.TensorMesh
- Mesh on which the discretize solution is obtained 
- fSimPEG.electromagnetics.frequency_domain.fields.FieldsFDEM
- NSEM fields object of the source 
- du_dm_vNone,
- Supply pre-computed derivative? 
- vnumpy.ndarray
- Vector of size 
- adjointbool, default=False
- If - True, compute the adjoint operation
 
- str
- Returns:
- numpy.ndarray
- Calculated derivative (nD,) (adjoint=False) and (nP,2) (adjoint=True) for both polarizations