Fix Linops to use AbstractMatrix instead of Matrix

Add basic Func to DifferentiableFN

Define some basic operations for MatrixOps

Improve MatrixOp parametrisation

Add "extra" string output to simple_iterate.

Add DifferentiableFN

Add abstract LinOps

norm₁

proj_nonneg!

Improve example in README

(0) -10 +10 tip

mercurial