Skip to content

GEOPY-2467: Investigate spickly looking MVI models with rotated gradients #118

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
domfournier merged 1 commit into from
Sep 25, 2025
Merged

GEOPY-2467: Investigate spickly looking MVI models with rotated gradients #118

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 5 additions & 1 deletion simpeg/regularization/base.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -983,8 +983,12 @@ def f_m(self, m):
dfm_dl = self.mapping * self._delta_m(m)

if self.units is not None and self.units.lower() == "radian":
# Cannot use the self.cell_gradient.sign() with rotated gradients, as partial
# gradients are fractional distances
return (
utils.mat_utils.coterminal(self.cell_gradient.sign() @ dfm_dl)
utils.mat_utils.coterminal(
(self.cell_gradient @ dfm_dl) * self._cell_distances
)
/ self._cell_distances
)
return self.cell_gradient @ dfm_dl
Expand Down