szha closed pull request #10454: Improve row_sparse tutorial URL: https://github.com/apache/incubator-mxnet/pull/10454
This is a PR merged from a forked repository. As GitHub hides the original diff on merge, it is displayed below for the sake of provenance: As this is a foreign pull request (from a fork), the diff is supplied below (as it won't show otherwise due to GitHub magic): diff --git a/docs/tutorials/sparse/row_sparse.md b/docs/tutorials/sparse/row_sparse.md index 65b7d05ae3f..ffc683f29a7 100644 --- a/docs/tutorials/sparse/row_sparse.md +++ b/docs/tutorials/sparse/row_sparse.md @@ -89,18 +89,18 @@ tutorial) to `mx.cpu()` ## Row Sparse Format -A RowSparseNDArray represents a multidimensional NDArray using two separate 1D arrays: +A RowSparseNDArray represents a multidimensional NDArray of shape `[LARGE0, D1, .. , Dn]` using two separate 1D arrays: `data` and `indices`. - data: an NDArray of any dtype with shape `[D0, D1, ..., Dn]`. - indices: a 1D int64 NDArray with shape `[D0]` with values sorted in ascending order. -The ``indices`` array stores the indices of the row slices with non-zeros, +The ``indices`` array stores the indices of the row slices with **non-zeros**, while the values are stored in ``data`` array. The corresponding NDArray `dense` represented by RowSparseNDArray `rsp` has ``dense[rsp.indices[i], :, :, :, ...] = rsp.data[i, :, :, :, ...]`` -A RowSparseNDArray is typically used to represent non-zero row slices of a large NDArray of shape [LARGE0, D1, .. , Dn] where LARGE0 >> D0 and most row slices are zeros. +A RowSparseNDArray is typically used to represent non-zero row slices of a large NDArray of shape `[LARGE0, D1, .. , Dn]` where LARGE0 >> D0 and most row slices are zeros. Given this two-dimension matrix: ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
