• How can I get the PCA matrix in numpy from a PCA object?
  • How can I get / change the centroids from a ProductQuantizer or ResidualQuantizer object?
  • How can I get the content of inverted lists?
  • How can I lookup the inverted list corresponding to a stored vector?
  • How can I get the link structure of a HNSW index?
  • How can I get the knn graph for an IndexNNDescent?
  • How can I merge normal ArrayInvertedLists?
  • Faiss/pytorch interop: how can I use a PQ codec without leaving the GPU?
  • How to explore the contents of an opaque index?
  • How can I get all the ids from an IDMap or an IDMap2?
  • how can I convert an IDMap2 to IDMap?
  • How to train a CPU index with a GPU just for k-means?
  • How to use the GPU at add time?
  • How can I force the k-means initialization?
  • How to transfer a trained OPQ and/or IVF centroids to another index?
  • How can I replace the inverted list content:
  • How can I get access to non-8 bit quantization code entries in PQ / IVFPQ / AQ ?
  • Simulating an IndexPQ on GPU with a 1-centroid IVFPQ
  • Accessing the vectors of a graph-based index (NSG or HNSW)
  • Wrapping small C++ objects for use from Python