Re: [ANNOUNCE] Commons Math 4.0-beta1

2022-12-27 Thread Bill Igoe
I noted the beta on maven. Should I delete the older version from the POM file? I now have both in my code; Also is it appropriate to ask a question on the LevenbergMarquardtOptimizer in this forum? If so, in the LeastSquaresOptimizer.Optimum object what is the appropriate value for the getSig

Re: Using email addresses in exception messages

2019-05-13 Thread Bill Igoe
In a prop shop long ago , I also emailed all exception messages. It is a great way to correct logic errors and capture potentially sloppy code. Graphing the errors resulted in an exponential decline in errors. I also developed a handy performance tracker for critical algorithms and saved those re

Math Sparse Linear Programing -- Math Commons

2019-01-25 Thread Bill Igoe
thus: LargeSimplexSolver.java LargeSImplexTableau.java LargeSolutionCallback.java and SimplexMapMatrix a minor extension of OpenMaprealMatrix. I am willing to share the modifications if the math common group thinks such an effort is worthwhile. Cheers to you all and keep up the good work. Bill

Re: [Statistics] Distributions

2018-01-16 Thread Bill Igoe
Just read the Maven description bingo!!! On Tue, Jan 16, 2018 at 8:02 AM, Eric Barnhill wrote: > On Tue, Jan 16, 2018 at 3:29 PM, Bill Igoe wrote: > > > > > Thinking aloud. 'Math' is of course a broad subject and your goal of a > > solid all encompassing

Re: [Statistics] Distributions

2018-01-16 Thread Bill Igoe
Giles, Seems reasonable. Thinking aloud. 'Math' is of course a broad subject and your goal of a solid all encompassing package is admirable. Managing a lot of jars or packages is a pain for the none java expert. In thinking on the way python, R and other packages solves the 'issue' is by automat

Re: [Math] Not releasing 3.X (Was: Linear Programming in Math [...])

2018-01-02 Thread Bill Igoe
> > > On Jan 2, 2018, at 5:43 AM, Gilles wrote: > > > > Hello. > > > > On Mon, 1 Jan 2018 19:27:00 -0500, Rob Tompkins wrote: > >>> On Jan 1, 2018, at 7:08 PM, Bill Igoe wrote: > >>> > >>> Hi Gang, > >>> > >

Linear Programming in Math Commons and Happy New Year

2018-01-01 Thread Bill Igoe
Cheers to you all and have a great 2018 Bill Igoe

Re: [All][Math] New component: "Commons Geometry"?

2017-09-01 Thread Bill Igoe
Hi Gang, I am new to this apache group. My two cents here for a first post. Finally jumping after reading the threads and sensing the frustration. . I have pretty good success in using Math commons 3.6 for financial derivatives, financial and economics analysis and etc. Using the 3.6 as my a bas

Re: Commons sub project for parallel method execution

2017-06-12 Thread Bill Igoe
A java CUDA jni library would be excellent. On Jun 12, 2017 7:08 PM, "Gary Gregory" wrote: > On Mon, Jun 12, 2017 at 6:56 PM, Matt Sicker wrote: > > > So wouldn't something like ASM or Javassist or one of the zillion other > > bytecode libraries be a better alternative to using reflection for >