Hmm, maybe I’m posing the wrong problem then… I wanted a fast way to
calculate the null space of a sparse matrix, where the basis spanning the null
space is also sparse. And the dimension of the vector space is in the millions.
> On 6 Mar 2015, at 4:51 am, Iain Dunning <[email protected]> wrote:
>
> I don't think anything in JuliaOpt other than NLOpt is going to play nicely
> with that non-convex L2 norm constraint.
>
> On Thursday, March 5, 2015 at 10:46:41 AM UTC-5, Christoph Ortner wrote:
> In fact, I think Steven's suggestion is the approach may specialised packages
> take anyhow?
> Christoph
>
