|
|
last edited 13 years ago by Bill Page |
1 2 3 4 5 6 7 8 9 10 11 | ||
Editor: Bill Page
Time: 2011/07/29 15:20:48 GMT-7 |
||
Note: update combinat library |
changed: -)cd ~/combinat/src )cd /var/lib/zope/combinat/src
Test species in axiom/FriCAS.
The species project is written in Aldor. Thus we need to load the libraries explicitly:
(1) -> )cd /var/lib/zope/combinat/src
The current FriCAS default directory is /var/aw/var/LatexWiki
)re ../lib/combinat.input
The file ../lib/combinat.input is needed but does not exist.
Let's define a binary tree.
#includeDir "/var/lib/zope/combinat/include" #libraryDir "/var/lib/zope/combinat/lib" #include "combinat"
macro { E == EmptySetSpecies; X == SingletonSpecies; + == Plus; * == Times; }
A(L: LabelType): CombinatorialSpecies L == (E + X*A*A)(L) add;
Compiling FriCAS source code from file /var/lib/zope2.10/instance/axiom-wiki/var/LatexWiki/5200085684951427974-25px002.as using Aldor compiler and options -O -Fasy -Fao -Flsp -lfricas -Mno-ALDOR_W_WillObsolete -DFriCAS -Y $FRICAS/algebra -I $FRICAS/algebra Use the system command )set compiler args to change these options. "/var/lib/zope2.10/instance/axiom-wiki/var/LatexWiki/5200085684951427974-25px002.as",line 3: #include "combinat" ^ [L3 C1] #1 (Error) Could not open file `combinat'.
The )library system command was not called after compilation.
#includeDir "/var/lib/zope/combinat/include" #libraryDir "/var/lib/zope/combinat/lib" #assert MacrosCombinat #assert Axiom #include "combinat" macro { SPECIES == (L: LabelType) -> CombinatorialSpecies L; V == CycleIndexVariable; NonNegativeMachineInteger == I; T == SparseIndexedPowerProduct(V,NonNegativeMachineInteger); P == SparseDistributedPolynomial(Q, V, T); } LinearOrder(L: LabelType): with { CombinatorialSpecies L; coerce: % -> List L; } == List L add { Rep == List L; import from Rep;
coerce(x: %): List L == rep x; local lists(l: List L): Generator List L == generate { empty? l => yield l; current := l; c := first current; for u in lists(rest l) repeat yield cons(c,u); assert(not empty? current); while not empty?(tmp := rest current) repeat { c := first tmp; setrest!(current, rest tmp); -- remove c from l for u in lists l repeat yield cons(c, u); setrest!(current, tmp); -- put c back into l current := tmp; } } structures(s: SetSpecies L): Generator % == generate { for l in lists(s :: List L) repeat yield per l; } local LinearOrderIsomorphismType: IsomorphismTypeCategory L == add { isomorphismTypes(s: MultiSet L): Generator % == never; (x:%) = (y:%): Boolean == never; (tw: TextWriter) << (x: %): TextWriter == never; }
IsomorphismType: IsomorphismTypeCategory L == LinearOrderIsomorphismType; generatingSeries: ExponentialGeneratingSeries == { (stream(1$Q)$DataStream(Q)) :: ExponentialGeneratingSeries; } isomorphismTypeGeneratingSeries: OrdinaryGeneratingSeries == { (stream(1$Z)$DataStream(Z)) :: OrdinaryGeneratingSeries; } local cisGenerator: Generator P == generate { import from I,T, P; x1: V := 1::V; for n: I in 0.. repeat yield power(x1, n) :: P; } cycleIndexSeries: CycleIndexSeries == cisGenerator :: CycleIndexSeries; import from String; expression: SpeciesExpression == leaf("LinearOrder"); }
Cycle(L: LabelType): with { CombinatorialSpecies L; coerce: % -> List L; cycle: List L -> %; } == List L add { Rep == List L; import from I,Rep;
local cisCycle(ao: I): Generator P == generate { macro PrimePowerProduct == SparseIndexedPowerProduct(I,I);
local multiply(k: PrimePowerProduct): I == { r: I := 1; for ep in k repeat {(e,p) := ep; r := r * p^e} r; }
local eulerPhi(t: SparseIndexedPowerProduct(I,I)): I == { phi: I := 1; for ep in t repeat { (e, p) := ep; phi := phi * p^(e-1) * (p-1) } phi; }
local cisCoefficient(n: I): P == BugWorkaround( PrimePowerProduct has with { divisors: % -> Generator %; /: (%,%) -> %; } ){ import from Z, V, SmallIntegerTools; nn: PrimePowerProduct := factor n; p: P := 0; for m in divisors nn repeat { k: PrimePowerProduct := nn/m; q: Q := (eulerPhi(k) :: Z) / (n :: Z); xk: V := multiply(k) :: V; t: T := power(xk, multiply m); p := [q, t]$P + p; } p; } yield 0$P; for n:I in 1.. repeat yield cisCoefficient(n); } coerce(x: %): List L == rep x; cycle(l: List L): % == per l; structures(s: SetSpecies L): Generator % == generate { import from LinearOrder L; if not empty? s then { l: List L := s :: List L; u := first l; for t in structures(set rest l)$LinearOrder(L) repeat { yield per cons(u, t :: List L); } } }
local CycleIsomorphismType: IsomorphismTypeCategory L == add { isomorphismTypes(s: MultiSet L): Generator % == never; (x:%) = (y:%): Boolean == never; (tw: TextWriter) << (x: %): TextWriter == never; } IsomorphismType: IsomorphismTypeCategory L == CycleIsomorphismType; local cycleOrder(): SeriesOrder == 1 :: SeriesOrder; egsCycle(ao: I): Generator Q == generate { import from Z,Q; yield 0; for n:I in 1.. repeat yield inv(n :: Z); } generatingSeries: ExponentialGeneratingSeries == new(egsCycle, cycleOrder); ogsCycle(ao: I): Generator Z == generate {yield 0$Z; yield 1$Z}; isomorphismTypeGeneratingSeries: OrdinaryGeneratingSeries == { new(ogsCycle, cycleOrder); } cycleIndexSeries: CycleIndexSeries == new(cisCycle, cycleOrder); import from String; expression: SpeciesExpression == leaf("Cycle"); }
Compiling FriCAS source code from file /var/lib/zope2.10/instance/axiom-wiki/var/LatexWiki/6373670188426008557-25px003.as using Aldor compiler and options -O -Fasy -Fao -Flsp -lfricas -Mno-ALDOR_W_WillObsolete -DFriCAS -Y $FRICAS/algebra -I $FRICAS/algebra Use the system command )set compiler args to change these options. "/var/lib/zope2.10/instance/axiom-wiki/var/LatexWiki/6373670188426008557-25px003.as",line 5: #include "combinat" ^ [L5 C1] #1 (Error) Could not open file `combinat'.
The )library system command was not called after compilation.
labels: SetSpecies ACINT := set [i::ACINT for i in 1..3]
There are no library operations named SetSpecies Use HyperDoc Browse or issue )what op SetSpecies to learn if there is any operation containing " SetSpecies " in its name.
Cannot find a definition or applicable library operation named SetSpecies with argument type(s) Variable(ACINT)
Perhaps you should use "@" to indicate the required return type,or "$" to specify which version of the function you need.
I := ACMachineInteger
(1) |
Z := ACInteger
(2) |
Q := ACFraction Z
There are no library operations named ACFraction Use HyperDoc Browse or issue )what op ACFraction to learn if there is any operation containing " ACFraction " in its name.
Cannot find a definition or applicable library operation named ACFraction with argument type(s) Variable(ACInteger)
Perhaps you should use "@" to indicate the required return type,or "$" to specify which version of the function you need.
Let's count how many structures of a certain size exist. This is encoded in the generating series. Note that this is an exponential generating series.
es: ExponentialGeneratingSeries := generatingSeries()$X;
ExponentialGeneratingSeries is not a valid type.
AldorCombinat? can also count the number of isomorphism types of structures. That is encoded in the isomorphism type series.
os: OrdinaryGeneratingSeries := isomorphismTypeGeneratingSeries()$X;
OrdinaryGeneratingSeries is not a valid type.
The output of the next command apparently causes a "Proxy Error" on the mathaction server. This can be avoided by changing the output from LaTeX to ASCII mode:
)set output tex off
)set output algebra on
coeffs3: ACList P := [coefficient(cs,i) for i in 0..5]
There are no library operations named ACList Use HyperDoc Browse or issue )what op ACList to learn if there is any operation containing " ACList " in its name.
Cannot find a definition or applicable library operation named ACList with argument type(s) Variable(P)
Perhaps you should use "@" to indicate the required return type,or "$" to specify which version of the function you need.
P is the polynomial domain in infinitely many variables with rational coefficients.
p: P := 1$P
P is not a valid type.
Let's do some more advanced stuff with Aldor-Combinat . See the functorial composition testpage for more details.
Here we compute the cycle index series of simple graphs.
e: S := cycleIndexSeries() $ SetSpecies(Z);
S is not a valid type.
BugWorkaround
in this code:
local cisCoefficient(n: I): P == BugWorkaround( PrimePowerProduct has with { divisors: % -> Generator %; /: (%, %) -> %; } ){ import from Z, V, SmallIntegerTools; ...
It results in the message:
L94 C2] #2 (Warning) Suspicious juxtaposition. Check for missing `;'.