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 Submitted by : (unknown) at: 2007-11-17T22:02:41-08:00 (11 years ago) Name : Axiom Version : default friCAS-20090114 Axiom-20050901 OpenAxiom-20091012 OpenAxiom-20110220 OpenAxiom-Release-141 Category : Axiom Aldor Interface Axiom Compiler Axiom Library Axiom Interpreter Axiom Documentation Axiom User Interface building Axiom from source lisp system MathAction Doyen CD Reduce Axiom on Windows Axiom on Linux Severity : critical serious normal minor wishlist Status : open closed rejected not reproducible fix proposed fixed somewhere duplicate need more info Optional subject :   Optional comment :

From the implementation of LieSquareMatrix?:

Exports ==> Join(SquareMatrixCategory(n,R,Row,Col), CoercibleTo Matrix R,_
FramedNonAssociativeAlgebra R)

axiom
lieAlgebra?()$LieSquareMatrix(2,FRAC INT) algebra is anti-commutative Jacobi identity holds this is a Lie algebra (1) Type: Boolean axiom a:=matrix([[1/2,3/4],[7/2,5/7]])$LieSquareMatrix(2,FRAC INT) (2)
Type: LieSquareMatrix?(2,Fraction(Integer))
axiom
a*a (3)
Type: LieSquareMatrix?(2,Fraction(Integer))
axiom
b:=matrix([[2,4/7],[7/2,5/7]])$LieSquareMatrix(2,FRAC INT) (4) Type: LieSquareMatrix?(2,Fraction(Integer)) axiom a*b (5) Type: LieSquareMatrix?(2,Fraction(Integer)) axiom 1$LieSquareMatrix(2,FRAC INT)
Internal Error The function One with signature () -> % is missing from domain LieSquareMatrix2(Fraction (Integer))

axiom
a:=matrix([[1/2,3/4],[7/2,5/7]])\$LieSquareMatrix(2,FRAC INT) (6)
Type: LieSquareMatrix?(2,Fraction(Integer))
axiom
minRowIndex a
Internal Error The function minRowIndex with signature hashcode is missing from domain LieSquareMatrix2(Fraction (Integer))

Status: open => closed

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