brainpy.math.sparse: Sparse Operators

csrmv	Product of CSR sparse matrix and a dense vector using cuSPARSE algorithm.
coomv	Product of COO sparse matrix and a dense vector.
seg_matmul	Sparse matrix multiplication.
csr_to_dense	Convert a CSR sparse matrix to a dense array.
csr_to_coo	Given CSR (indices, indptr) return COO (row, col)
coo_to_csr	Convert COO (pre_ids, post_ids) connectivity to CSR (indices, indptr).