Plucker Manual
Edition : auto generated by oxgentexi on 23 February 2009
OpenXM.org
- plucker_relation(L,M)
-
:: Returns the plucker relation defined by the index sets L
and M.
- return
-
quote
- L
-
List
- M
-
List
- L is the index set
of the plucker relations and
M is the index set
of the plucker relations.
[297] A = plucker_relation([1,2],[3,4,5,6]);
quote(y_1_2_3*y_4_5_6-y_1_2_4*y_3_5_6+y_1_2_5*y_3_4_6-y_1_2_6*y_3_4_5)
[298] eval_str(print_terminal_form(A));
y_4_5_6*y_1_2_3-y_3_5_6*y_1_2_4+y_3_4_6*y_1_2_5-y_3_4_5*y_1_2_6
- plucker_y(L)
-
:: Returns the variable standing for the index L.
- return
-
Variable
- L
-
List
- Index set L is sorted and the sign is evaluated
by the sorting.
[297] plucker_y([1,2,3]);
y_1_2_3
[298] plucker_y([2,1,3]);
-y_1_2_3
- plucker_index(V)
-
:
It gets the index of the variable V.
Example:
plucker_index(plucker_y([1,2,3]));
Jump to:
p
plucker
plucker_index
plucker_relation
plucker_y
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@vfill @eject
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