Iterative algorithms

mirtorch.alg.CG	Solve the equation \(Ax = b\) with the conjugate gradient method, where A is a PSD matrix.
mirtorch.alg.POGM	Optimized Proximal Gradient Method (POGM) Ref: D.
mirtorch.alg.FBPD	Forward-backward primal dual (FBPD) algorithm.
mirtorch.alg.FISTA	Fast Iterative Soft Thresholding Algorithm (FISTA) / Fast Proximal Gradient Method (FPGM)
mirtorch.alg.power_iter	Use power iteration to calculate the spectral norm of a LinearMap.