TBA.py 文件源码

def eigvals(self,basespace=None,mode='*'):
        '''
        This method returns all the eigenvalues of the Hamiltonian.

        Parameters
        ----------
        basespace : BaseSpace, optional
            The base space on which the Hamiltonian is defined.
        mode : string,optional
            The mode to iterate over the base space.

        Returns
        -------
        1d ndarray
            All the eigenvalues.
        '''
        if basespace is None:
            result=eigh(self.matrix(),eigvals_only=True)
        else:
            result=asarray([eigh(self.matrix(**paras),eigvals_only=True) for paras in basespace(mode)]).reshape(-1)
        return result