Tensor Component Operations and Extraction
Functions are provided for operating on and extracting individual components of tensor structures.
| Component[tens,q] | extract the spherical tensor component tensq |
| Component[vec,i] | extract the Cartesian vector component veci |
| Component[op,m,n] | extract the matrix element opmnfrom an operator in the Zeeman basis |
| Component[dec,k] | extract the spherical tensor of rank k from the tensor decomposition dec |
| Component[dec,k,q] | extract the spherical tensor component of rank k and index q from a tensor decomposition |
| Components[expr] | return a list of all components of a spherical tensor or matrix operator |