an.tsouchlos/homotopy-continuation-channel-decoding
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Remove unused code and comment

Browse Source
This commit is contained in:
Andreas Tsouchlos 2025-05-13 00:05:06 +02:00
parent f12339f89f
commit 9d3ab19560
1 changed files with 0 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
python/hccd/path_tracker.py
View File

@ -3,10 +3,6 @@ import typing
import scipy
def _sign(val):
return -1 * (val < 0) + 1 * (val >= 0)
class PathTracker:
"""
Path trakcer for the homotopy continuation method. Uses a
@ -43,7 +39,6 @@ class PathTracker:
raise RuntimeError("Newton corrector did not converge")
# TODO: Make sure the implementation with null_space instead of QR is correct
def _perform_euler_predictor_step(self, y, step_size) -> typing.Tuple[np.ndarray, np.ndarray]:
# Obtain y_prime
@ -52,12 +47,6 @@ class PathTracker:
y_prime = ns[:, 0] * self._sigma
# Q, R = np.linalg.qr(np.transpose(DH), mode="complete")
# y_prime = Q[:, 2]
#
# if _sign(np.linalg.det(Q)*np.linalg.det(R[:2, :])) != _sign(self._sigma):
# y_prime = -y_prime
# Perform prediction
y_hat = y + step_size*y_prime