cr.sparse.cvx.spgl1.SPGL1BPState

class cr.sparse.cvx.spgl1.SPGL1BPState(x: jax.Array, g: jax.Array, r: jax.Array, f_past: jax.Array, tau: float, tau_changed: bool, r_norm: float, r_gap: float, r_res_error: float, r_f_error: float, alpha: float, alpha_next: float, iterations: int, n_times: int, n_trans: int, n_newton: int, n_ls_iters: int)

Solution state of the SPGL1 algorithm for BPIC problem

__init__()

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

Methods

__init__()	Initialize self.
count(value, /)	Return number of occurrences of value.
index(value[, start, stop])	Return first index of value.

Attributes

alpha	Step size in the current iteration
alpha_next	Step size for the next iteration
f_past	Past function values
g	Gradient vector
iterations	Alias for field number 12
n_ls_iters	Number of line search iterations in the current iteration
n_newton	Number of newton steps
n_times	Number of multiplications with A
n_trans	Number of multiplications with A^T
r	residual vector
r_f_error	Relative error of objective value from sigma^2/2
r_gap	Relative duality gap
r_norm	Residual norm
r_res_error	Relative error of residual norm from sigma
tau	The limit on the l1-norm
tau_changed	Flag indicating if tau was changed
x	Solution vector