Re: [Maxima-discuss] qm-maxima package

[Daniel V. <dan...@ya...>]

 Hi Eric,
I'm making progress.I'm still on qm-examples-1.wxm comparing to qm-examples-1.wxmx
The first cell:k: ket([a]); => |[a]>  it is OK
b: bra([b]); => <[b]| it is OK
b . k; => braket(<[b]|,|[a]>) in your file it is kron_delta(a,b)

The second cell is identicalL: makelist( concat(c,i), i, 5 );apply('declare,[L,complex])$facts();
The third cell:k: sum( concat(c,i)*ket([i]),i,1,5); => |[5]>*c5+|[4]>*c4+|[3]>*c3+|[2]>*c2+|[1]>*c1 it is OK

b: dagger(k); => on your output all the conjugates have an overbar, in my output it is conjugate

<[5]|*conjugate(c5)+<[4]|*conjugate(c4)+<[3]|*conjugate(c3)+<[2]|*conjugate(c2)+<[1]|*conjugate(c1)
then:b . k; => <[5]|*conjugate(c5) . |[5]>*c5+<[5]|* conjugate(c5) . |[4]>*c4+<[5]|*conjugate(c5) . |[3]>*c3+<[5]|*conjugate(c5) . |[2]>*c2+<[5]|*conjugate(c5) . |[1]>*c1+<[4]|*conjugate(c4) . |[5]>*c5+<[4]|*conjugate(c4) . |[4]>*c4+<[4]|*conjugate(c4) . |[3]>*c3+<[4]|*conjugate(c4) . |[2]>*c2+<[4]|*conjugate(c4) . |[1]>*c1+<[3]|*conjugate(c3) . |[5]>*c5+<[3]|*conjugate(c3) . |[4]>*c4+<[3]|*conjugate(c3) . |[3]>*c3+<[3]|*conjugate(c3) . |[2]>*c2+<[3]|*conjugate(c3) . |[1]>*c1+<[2]|*conjugate(c2) . |[5]>*c5+<[2]|*conjugate(c2) . |[4]>*c4+<[2]|*conjugate(c2) . |[3]>*c3+<[2]|*conjugate(c2) . |[2]>*c2+<[2]|*conjugate(c2) . |[1]>*c1+<[1]|*conjugate(c1) . |[5]>*c5+<[1]|*conjugate(c1) . |[4]>*c4+<[1]|*conjugate(c1) . |[3]>*c3+<[1]|*conjugate(c1) . |[2]>*c2+<[1]|*conjugate(c1) . |[1]>*c1
Daniel Volinski

    En jueves, 17 de octubre de 2024, 16:21:54 GMT+3, ehm <eri...@gm...> escribió:  
 
 Hi Daniel,

If you use wxMaxima, then load the packages in the following order:

load(qm);
load("wx.lisp");

The file wx.lisp redefines the pretty printing of the kets in wxMaxima.
If you only run maxima in a terminal window, you do not need to load
wx.lisp.

I'm glad the package is working for you! Let me know if you have other
questions.

Best,
Eric


On Thu, 2024-10-17 at 09:20 +0000, Daniel Volinski via Maxima-discuss
wrote:
> Thank you for your help. I changed the comment-out as you indicated.
> Now I am able to run the package.
> I am using qm-examples-1.wxm and I compare it with the original qm-
> examples-1.wxmx for reference.
> 
> I get the following output:
> 
> k: ket([a]); => ket([a])
> b: bra([b]); => bra([b])
> b . k; => braket(bra([b]),ket([a]))
> 
> Not at all like the original:
> 
> k: ket([a]); => |[a]>
> b: bra([b]); => <[b]|
> b . k; => kron_delta(a,b)
> 
> What am I missing? Is it possible this depends on the commented-out
> packages?





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