record.itemsize length of one element in bytes

recarray.view(dtype=None, type=None) New view of array with the same data.

record.item() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from, and possesses

record.std() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from, and possesses

record.size number of elements in the gentype

record.dump() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from, and possesses

matrix.repeat(repeats, axis=None) Repeat elements of an array. Refer to

matrix.I Returns the (multiplicative) inverse of invertible self.

matrix.ravel(order='C')

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