Perhaps https://github.com/JuliaComputing/NDSparseData.jl?
--Tim On Sunday, August 21, 2016 8:14:48 AM CDT Kristof Cools wrote: > Just wondering whether there have emerged any packages for this in the > meantime. I need a rank 3 sparse matrix to implement a retarded potential > integral equation solver. The structure will have non zero entries for all > values of the first two indices and a varying but fixed length set for the > third index: > > A[i,j,k] != 0 for k0(i,j) <= k <= k1(i,j)
