signtensors 0.2.1

Approximates tensors with sign frames.
1
2
3
# Signed cut decompositions

Low-level API to form matrix approximations of the form $$A \approx S C T^\top = \sum_j c_j \mathbf{s}_j \mathbf{t}_j^\top$$ where $S, T$ have entries in $\{-1, 1\}$ and $C$ is a diagonal matrix of real numbers.