Skip to content

Make truncspace explanation more specific #284

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
Jutho merged 2 commits into from
Sep 18, 2025
Merged

Make truncspace explanation more specific #284

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5e38fa6
Make `truncspace` explanation more specific
leburgel Sep 10, 2025
a957b65
Compromise
leburgel Sep 18, 2025
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
4 changes: 2 additions & 2 deletions docs/src/man/tensors.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -946,8 +946,8 @@ the keyword argument `p`. The default value `notrunc()` implies no truncation, a
* `truncdim(χ::Integer)`: finds the optimal truncation such that the equivalent total
dimension of the internal vector space is no larger than `χ`;

* `truncspace(W)`: truncates such that the dimension of the internal vector space is
smaller than that of `W` in any sector, i.e. with
* `truncspace(W)`: truncates such that the dimension of the internal vector space is no
greater than that of `W` in any sector, i.e. with
`W₀ = min(fuse(codomain(t)), fuse(domain(t)))` this option will result in
`domain(U) == domain(Σ) == codomain(Σ) == codomain(Vᵈ) == min(W, W₀)`;

Expand Down
4 changes: 2 additions & 2 deletions src/tensors/factorizations.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,8 @@ case a truncated singular value decomposition will be computed. Choices are:
smaller than `η`;
* `truncdim(χ::Int)`: truncates such that the equivalent total dimension of the internal
vector space is no larger than `χ`;
* `truncspace(V)`: truncates such that the dimension of the internal vector space is
smaller than that of `V` in any sector.
* `truncspace(V)`: truncates such that the dimension of the internal vector space is no
greater than that of `V` in any sector.
* `truncbelow(η::Real)`: truncates such that every singular value is larger then `η` ;

Truncation options can also be combined using `&`, i.e. `truncbelow(η) & truncdim(χ)` will
Expand Down
Loading