Re: [math] Questions about sparse implementations

2009-01-27 Thread Bill Barker
"Phil Steitz" wrote in message news:497ee914.7010...@gmail.com... > Bill Barker wrote: >> I've been working on a SparseRealVector that implements RealVector but is >> backed by OpenIntToDoubleHashMap. Unlike SparseRealMatrix, the goal is >> more speed than space. Mostly it is going well, but

Re: [math] Questions about sparse implementations

2009-01-27 Thread Phil Steitz
Bill Barker wrote: I've been working on a SparseRealVector that implements RealVector but is backed by OpenIntToDoubleHashMap. Unlike SparseRealMatrix, the goal is more speed than space. Mostly it is going well, but running into a few problems where some RealVector methods are almost nonsensi

Re: [math] Questions about sparse implementations

2009-01-26 Thread Luc Maisonobe
Bill Barker a écrit : > I've been working on a SparseRealVector that implements RealVector but is > backed by OpenIntToDoubleHashMap. Unlike SparseRealMatrix, the goal is more > speed than space. Mostly it is going well, but running into a few problems > where some RealVector methods are almos

[math] Questions about sparse implementations

2009-01-25 Thread Bill Barker
I've been working on a SparseRealVector that implements RealVector but is backed by OpenIntToDoubleHashMap. Unlike SparseRealMatrix, the goal is more speed than space. Mostly it is going well, but running into a few problems where some RealVector methods are almost nonsensical for sparse vecto