Currently the FieldEigenvectors only accepts an eigenvalues field. This is different to how the rest of the API works. This issue is for allowing the FieldEigenvectors to accept a base field class and reject those that aren't suitable (non-eigenvalue fields).
Currently the FieldEigenvectors only accepts an eigenvalues field. This is different to how the rest of the API works. This issue is for allowing the FieldEigenvectors to accept a base field class and reject those that aren't suitable (non-eigenvalue fields).