nanshe/nanshe/expanded_numpy.py: In matrix_reduced_op, convert vectors to singleton matrices.
nanshe/nanshe/expanded_numpy.py: In matrix_reduced_op, convert vectors to singleton matrices.

jakirkham/nanshe,nanshe-org/nanshe,DudLab/nanshe,nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe