plucker マニュアル

Edition : auto generated by oxgentexi on May 1, 2025

@overfullrule=0pt

1 Plucker 関係式

1.0.1 plucker

1.0.2 plucker_relation

plucker_relation(L,M)

:: Index 集合 L, M に対応する Plucker 関係式を戻す.

return

quote

L

リスト

M

リスト

• L には, Plucker 関係式の を, M には, Plucker 関係式の を与える.

[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

1.0.3 plucker_y

plucker_y(L)

:: Index 集合 L に対応する変数を戻す.

return

変数

L

リスト

• Index 集合 L は小さい順にソートされる. このとき符号もともに計算される.

[297] plucker_y([1,2,3]);
y_1_2_3

[298] plucker_y([2,1,3]);
-y_1_2_3

1.0.4 plucker_index

plucker_index(V)

: It gets the index of the variable V.

Example:

 plucker_index(plucker_y([1,2,3]));

Index

Table of Contents

Short Table of Contents

About This Document

This document was generated on May 1, 2025 using texi2html 5.0.

The buttons in the navigation panels have the following meaning:

where the Example assumes that the current position is at Subsubsection One-Two-Three of a document of the following structure:

• 1. Section One
  • 1.1 Subsection One-One
    • ...
  • 1.2 Subsection One-Two
    • 1.2.1 Subsubsection One-Two-One
    • 1.2.2 Subsubsection One-Two-Two
    • 1.2.3 Subsubsection One-Two-Three     <== Current Position
    • 1.2.4 Subsubsection One-Two-Four
  • 1.3 Subsection One-Three
    • ...
  • 1.4 Subsection One-Four

This document was generated on May 1, 2025 using texi2html 5.0.