sigpy.prox.PsdProj

class sigpy.prox.PsdProj(shape, repr_str=None)

Proximal operator for positive semi-definite matrices.

\[\min_x \frac{1}{2} \| X - Y \|_2^2 + 1\{\| X \succeq 0\}\]

Parameters:shape (tuple of ints) – Input shape.

__init__(shape, repr_str=None)

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__(shape[, repr_str])

Initialize self.