Re: Findminimum too slow for iterative reweighted least squares
- To: mathgroup at smc.vnet.net
- Subject: [mg123527] Re: Findminimum too slow for iterative reweighted least squares
- From: chungyuandye <chungyuandye at gmail.com>
- Date: Sat, 10 Dec 2011 07:28:42 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
obj = (Transpose[Partition[e, 1]].w.Partition[e, 1])[[1, 1]];
FindMinimum[obj, startval]
{0.152503, {l1 -> 0.430182, l2 -> 1.24112, l3 -> 0.360276,
ps -> 1.54742}}