def __sub__(self, other):
if isinstance(other, Number):
return Matrix(API.scalarAdd(self._matrix, -other))
else:
return Matrix(API.subtract(self._matrix, other._matrix))
def __add__(self, other):
if isinstance(other, Number):
return Matrix(API.scalarAdd(self._matrix, other))
else:
return Matrix(API.add(self._matrix, other._matrix))
