Re: Matrix math in vb


"Randy Gardner" <RandyGardner@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:E2805BB5-AA01-4CEC-B34B-6B1755AAF1A7@xxxxxxxxxxxxxxxx
> Thanks,
>
> Can you recommend some libraries?
>
> I have Visual Studio 2003 and 2005 Beta,
> are there some C libraries available there you would recommend?
>
> --
> Thank you,
>
> Randy
>
>
> "Ralph" wrote:
>
> >
> > "Randy Gardner" <RandyGardner@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
message
> > news:16C57BC6-BE3D-4F9D-8070-74E34B5DF41C@xxxxxxxxxxxxxxxx
> > > I need to solve a matrix of 3 equations and 3 unknowns in VB.
> > >
> > > Is this possible and is the function variable(x) the tool. Where
variable
> > > is a 3
> > > demensional array and x is -1, the power to raise the elements. I
need to
> > > find the recipicle of the array.
> > >
> > > I am relating the task as explained by the engineer so I may not have
> > asked
> > > it correctly. Linear math is not my strong suit.
> > > --
> > > Thank you,
> > >
> > > Randy
> >
> > Save yourself a lot of time and a lot of headaches - If your budget will
> > stand it go looking for a good commercial math library. There are free
ones
> > available, but most will be written in C/C++. They can however be easily
> > wrapped in an ActiveX component for use with VB.
> >
> > [There are math libraries specifically built for VB, but I have never
used
> > them.]
> >
> > It isn't so much that you can't roll 'ur own in VB, or that VB isn't up
to
> > the task. It is more a matter of the complexity and the subtle
difficulties
> > in testing and maintaining math routines if you don't really know what
you
> > are doing. It doesn't take long before multiplying your time with your
> > hourly rate will equate the price of even the most expensive library.
> >
> > Besides, having often worked with 'engineers', this request is likely
only
> > the beginning - It is going to get worse. <g>
> >
> > -ralph
> >

I use Statistica and MathLib. But I am mostly concerned with statistical and
fuzzy logic stuff.

We have some pretty good mathematicians around here. If you can wait until
tomorrow (Monday) you will get some better advice, if not a complete
solution.

-ralph


.

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