I'm reading it too. Fascinating stuff.
I'm comfortable with Haskell code but struggle with Dirac's book. Expressing
this stuff in Haskell makes it crystal clear (at least to me).
Look forward to reading more.
Mike Stout
> -----Original Message-----
> From: Frank Atanassow [SMTP:[EMAIL PROTECTED]]
> Sent: 05 June 2000 13:58
> To: Jerzy Karczmarczuk
> Cc: [EMAIL PROTECTED]
> Subject: More on Quantum vectors...
>
> Jerzy Karczmarczuk writes:
> > ...although apparently there are exactly two readers/writers
> > of this thread on this list. Oh, well, it is as boring as any
> > other subject.
>
> I'm reading it. I think this field of application could be very
> interesting. Jan, could you write up a paper on it, with enough of the
> mathematical background for non-physicist CS people to grok it?
>
> And maybe Jerzy could write up something which elaborates this remark:
>
> > I confess that I became interested in Haskell *because* of its possible
> > applications to scientific computing, and *in particular* to quantum
> > physics. (And some statistical physics; the underlying math is very
> > similar, and this is not accidental).
> >
> >
> > Mind you, this is a domain where you see immediately the necessity of
> > computing using higher-order functions!
> >
> > Your states are functions. Your mathematical objects are functions.
> Your
> > physical quantities (observables) are functions acting on states.
> >
> > Most problems in QM cannot be solved without using perturbation
> methods.
> > The perturbation formulae are usually very tedious to implement, unless
>
> > one dares to use some lazy coding.
> >
> > Then you can economize a few days of pencil work, and you can spend
> this
> > time rolling on the ground and laughing at the people who claim that
> > Haskell is useless for practical computations, because they don't know
> > how to implement some middle-Chinese chess in it.
>
> --
> Frank Atanassow, Dept. of Computer Science, Utrecht University
> Padualaan 14, PO Box 80.089, 3508 TB Utrecht, Netherlands
> Tel +31 (030) 253-1012, Fax +31 (030) 251-3791
>
