copt.loss.SquareLoss¶
-
class
copt.loss.SquareLoss(A, b, alpha=0)¶ Squared loss.
The Squared loss is defined as
\[\frac{1}{2n}\|A x - b\|^2 + \frac{1}{2} \alpha \|x\|^2\]where \(\|\cdot\|\) is the euclidean norm.
-
__init__(A, b, alpha=0)¶ Initialize self. See help(type(self)) for accurate signature.
Methods
__init__(A, b[, alpha])Initialize self.
f_grad(x[, return_gradient])Attributes
lipschitzpartial_deriv-
