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Re: [Axiom-mail] Troubles with subscripts and solve()
From: |
Themos Tsikas |
Subject: |
Re: [Axiom-mail] Troubles with subscripts and solve() |
Date: |
Mon, 14 Jul 2008 09:48:50 +0100 |
User-agent: |
KMail/1.9.6 (enterprise 20070904.708012) |
(6) -> )sh OrderedVariableList
OrderedVariableList VariableList: List Symbol is a domain constructor
Abbreviation for OrderedVariableList is OVAR
This constructor is not exposed in this frame.
------------------------------- Operations --------------------------------
?<? : (%,%) -> Boolean ?<=? : (%,%) -> Boolean
?=? : (%,%) -> Boolean ?>? : (%,%) -> Boolean
?>=? : (%,%) -> Boolean coerce : % -> OutputForm
convert : % -> Pattern Integer convert : % -> Pattern Float
convert : % -> InputForm convert : % -> Symbol
enumerate : () -> List % hash : % -> SingleInteger
index : PositiveInteger -> % latex : % -> String
lookup : % -> PositiveInteger max : (%,%) -> %
min : (%,%) -> % random : () -> %
size : () -> NonNegativeInteger ?~=? : (%,%) -> Boolean
variable : Symbol -> Union(%,"failed")
(6) -> f
(6) [a ,a ]
0 1
Type: List Symbol
(7) -> enumerate()$OVAR(f)
Function Selection for enumerate
Arguments: ()
Target type: LIST OVAR [*01a0,*01a1]
From: OVAR [*01a0,*01a1]
[1] signature: () -> LIST OVAR [*01a0,*01a1]
implemented: slot (List $) from OVAR [*01a0,*01a1]
(7) [a ,a ]
0 1
Type: List OrderedVariableList [*01a0,*01a1]
On Sunday 13 July 2008, Соловьев Александр Александрович wrote:
> >On Thursday 10 July 2008, �������� ��������� �������
������� wrote:
> >> [[ eval(f, [x=i,y=j])=subscript(m,[i,j]) for i in -2..2 ] for j=-2..2]
> >
> >You need to give us the exact sequence of commands that shows a problem.
> >
> >I think that the 11 variables in your example are solved in terms of 5
> >independent parameters, that's not trash.
>
> Ok. May be I'm doing something wrong. I've figured out that lines
>
> -> f:= [x,y,z]
>
> and
>
> -> f:= [subscript(a,[i]) for i in 0..1]
>
> gives different types. 1st produces "List OrderedVariableList [x,y,z]" and
> 2od "List Symbol". How can I make from "subscript(a,[i]) for i in 0..1]"
> type "List OrderedVariableList" suitable for solve() function?
>
>
>
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