def residual(self):
"""The residual of the constraint.
Returns
-------
Expression
"""
min_eig = cvxtypes.lambda_min()(self._expr + self._expr.T)/2
return cvxtypes.neg()(min_eig)
def residual(self):
"""The residual of the constraint.
Returns
-------
Expression
"""
# TODO wrong. Also requires symmetry.
min_eig = cvxtypes.lambda_min()(self.args[0] + self.args[0].T) / 2
return cvxtypes.neg()(min_eig)
def residual(self):
"""The residual of the constraint.
Returns
-------
NumPy.ndarray
"""
if self.expr.value is None:
return None
min_eig = cvxtypes.lambda_min()(self.args[0] + self.args[0].T) / 2
return cvxtypes.neg()(min_eig).value
