New posts in Sparse Arrays

Sparse block matrices all wrong

A geometric multigrid solver for Mathematica?

Generating a (sparse?) array from data

Most efficient way to build block / banded SparseArray

Why can't I reshape to any dimensions?

Using sparse matrices when value depends on position

Why the sparse array is ill-conditioned?

directly change the background value of a SparseArray?

How to find position where a sequence drops off to zero

Why is IdentityMatrix not defined as a SparseArray by default?