#7797: basic interface to letterplace from singular
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Reporter: burcin | Owner: burcin
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.5
Component: algebra | Keywords: singular
Author: Michael Brickenstein, Burcin Erocal | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by malb):
{{{
File "/mnt/usb1/scratch/malb/sage-4.4/devel/sage-
main/sage/libs/singular/letterplace.py", line 32:
sage: freegb(l, 10)
Expected:
[3*y*x*z^7*y + y*x*z^8, 3*y*x*z^6*y + y*x*z^7, y*x*z^6*x*z +
314928*y^2*x*z^2*x^5, 3*y*x*z^5*y + y*x*z^6, y*x*z^5*x*z -
17496*y^2*x*z^2*x^4, 3*y*x*z^4*y + y*x*z^5, y*x*z^4*x*z +
972*y^2*x*z^2*x^3, 3*y*x*z^4*x^2*z*y + y*x*z^4*x^2*z^2, 3*y*x*z^3*y +
y*x*z^4, y*x*z^3*x*z - 54*y^2*x*z^2*x^2, 3*y*x*z^3*x^2*z^2*y +
y*x*z^3*x^2*z^3, 3*y*x*z^3*x^2*z*y + y*x*z^3*x^2*z^2, 3*y*x*z^3*x^3*z*y +
y*x*z^3*x^3*z^2, 3*y*x*z^2*y + y*x*z^3, y*x*z^2*x*z + 3*y^2*x*z^2*x,
3*y*x*z^2*x^2*z^3*y + y*x*z^2*x^2*z^4, 3*y*x*z^2*x^2*z^2*y +
y*x*z^2*x^2*z^3, y*x*z^2*x^2*z^2*x*z + 3*y^2*x*z^2*x^2*z^2*x,
3*y*x*z^2*x^2*z*y + y*x*z^2*x^2*z^2, 3*y*x*z^2*x^3*z^2*y +
y*x*z^2*x^3*z^3, 3*y*x*z^2*x^3*z*y + y*x*z^2*x^3*z^2, 3*y*x*z^2*x^4*z*y +
y*x*z^2*x^4*z^2, 3*y*x*z*y + y*x*z^2, x*z*y^6*x*z - 7776*y*x*z^2*x^6,
x*z*y^5*x*z - 1296*y*x*z^2*x^5, x*z*y^4*x*z - 216*y*x*z^2*x^4, x*z*y^3*x*z
- 36*y*x*z^2*x^3, x*z*y^2*x*z - 6*y*x*z^2*x^2, x*z*y*x*z - y*x*z^2*x,
6*x*z*x - y*x*z, 3*x*y + x*z]
Got
[3*x*y + x*z, 6*x*z*x - y*x*z, 3*y*x*z*y + y*x*z^2, 3*y*x*z^2*y + y*x*z^3,
x*z*y*x*z - y*x*z^2*x, 3*y*x*z^3*y + y*x*z^4, y*x*z^2*x*z + 3*y^2*x*z^2*x,
x*z*y^2*x*z - 6*y*x*z^2*x^2, 3*y*x*z^4*y + y*x*z^5, y*x*z^3*x*z -
54*y^2*x*z^2*x^2, x*z*y^3*x*z - 36*y*x*z^2*x^3, 3*y*x*z^5*y + y*x*z^6,
y*x*z^4*x*z + 972*y^2*x*z^2*x^3, 3*y*x*z^2*x^2*z*y + y*x*z^2*x^2*z^2,
x*z*y^4*x*z - 216*y*x*z^2*x^4, 3*y*x*z^6*y + y*x*z^7, y*x*z^5*x*z -
17496*y^2*x*z^2*x^4, 3*y*x*z^3*x^2*z*y + y*x*z^3*x^2*z^2,
3*y*x*z^2*x^2*z^2*y + y*x*z^2*x^2*z^3, 3*y*x*z^2*x^3*z*y +
y*x*z^2*x^3*z^2, x*z*y^5*x*z - 1296*y*x*z^2*x^5, 3*y*x*z^7*y + y*x*z^8,
y*x*z^6*x*z + 314928*y^2*x*z^2*x^5, 3*y*x*z^4*x^2*z*y + y*x*z^4*x^2*z^2,
3*y*x*z^3*x^2*z^2*y + y*x*z^3*x^2*z^3, 3*y*x*z^3*x^3*z*y +
y*x*z^3*x^3*z^2, 3*y*x*z^2*x^2*z^3*y + y*x*z^2*x^2*z^4,
y*x*z^2*x^2*z^2*x*z + 3*y^2*x*z^2*x^2*z^2*x, 3*y*x*z^2*x^3*z^2*y +
y*x*z^2*x^3*z^3, 3*y*x*z^2*x^4*z*y + y*x*z^2*x^4*z^2, x*z*y^6*x*z -
7776*y*x*z^2*x^6]
}}}
This is with Singular 3-1-1-3 though.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7797#comment:8>
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