Tessero\Io\SparseNpz

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save static

save(string $path, array $csr, bool $isArray = true, bool $compress = true): void

scipy.sparse.save_npz: write a CSR matrix as a scipy-readable .npz.

load static

load(string $path): array

scipy.sparse.load_npz: read a CSR .npz (scipy's or Tessero's own).

toDense static

toDense(string $path): Tessero\NDArray

Reconstruct the dense matrix from a loaded CSR archive (for verification / convenience).