recarray.std(axis=None, dtype=None, out=None, ddof=0, keepdims=False) Returns the standard deviation of the array elements

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

record.conj()

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

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

matrix.round(decimals=0, out=None) Return a with each element rounded to the given number of decimals. Refer

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

matrix.item(*args) Copy an element of an array to a standard Python scalar and return it.

matrix.itemset(*args) Insert scalar into an array (scalar is cast to array?s dtype, if possible) There must be at

matrix.getH()