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Utilities for FEM related data structures.
... = fe_def(def,'command', ... ) ... = fe_def('command', ... )
Accepted commands are
def=fe_def('SubDef',def,ind); keeps deformations associated with ind, which a vector of indices or a logical vector (for example ind=def.data(:,1)<500 can be used to select frequencies below 500). Other fields of the def structure are truncated consistently.
def=fe_def('subdof',def,DOF) is extracts a subset of DOFs based on defined DOF or with def=fe_def('subdofind',def,ind) indices (again either values or logicals). This command is partially redundant with feutilb PlaceInDof.
fe_def('SubDofInd-Cell',def,ind_dof,ind_def) returns a clean cell array listing selected DOFs and responses. This is typically used to generate clean tables.
w=fe_def('DefFreq',DISK) returns frequencies defined in the info,Freq entries using Hz units.