matrix.compress(condition, axis=None, out=None) Return selected slices of this array along given axis. Refer to

matrix.H Returns the (complex) conjugate transpose of self. Equivalent to np.transpose(self)

matrix.any(axis=None, out=None)

class numpy.lib.user_array.container(data, dtype=None, copy=True)

record.real real part of scalar

matrix.argsort(axis=-1, kind='quicksort', order=None) Returns the indices that would sort this array. Refer to

recarray.argpartition(kth, axis=-1, kind='introselect', order=None) Returns the indices that would partition this

recarray.dtype Data-type of the array?s elements.

recarray.squeeze(axis=None) Remove single-dimensional entries from the shape of a. Refer to

recarray.flatten(order='C') Return a copy of the array collapsed into one dimension.