version 1.12, 2000/08/01 08:51:02 |
version 1.23, 2000/12/10 03:12:20 |
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/* $OpenXM: OpenXM/src/k097/lib/minimal/minimal-test.k,v 1.11 2000/08/01 06:26:10 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/k097/lib/minimal/minimal-test.k,v 1.22 2000/08/30 04:07:56 takayama Exp $ */ |
load["minimal.k"]; |
load["lib/minimal/minimal.k"]; |
def sm1_resol1(p) { |
def sm1_resol1(p) { |
sm1(" p resol1 /FunctionValue set "); |
sm1(" p resol1 /FunctionValue set "); |
} |
} |
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def test_if_v_strict(resmat,w,v) { |
def test_if_v_strict(resmat,w,v) { |
local b,c,g; |
local b,c,g; |
Sweyl(v,[w]); b = Reparse(resmat); |
Sweyl(v,[w]); b = Reparse(resmat); |
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Println("Degree shifts "); |
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Println(SgetShifts(b,w)); |
c=Sinit_w(b,w); |
c=Sinit_w(b,w); |
Println("Resolution (b)----"); |
Println("Resolution (b)----"); |
sm1_pmat(b); |
sm1_pmat(b); |
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return(a); |
return(a); |
} |
} |
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/* Need more than 100M memory. 291, 845, 1266, 1116, 592 : Schreyer frame. |
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I've not yet tried to finish the computation. */ |
def test20() { |
def test20() { |
w = ["Dx1",1,"Dx2",1,"Dx3",1,"Dx4",1,"x1",-1,"x2",-1,"x3",-1,"x4",-1]; |
w = ["Dx1",1,"Dx2",1,"Dx3",1,"Dx4",1,"x1",-1,"x2",-1,"x3",-1,"x4",-1]; |
ans2 = GKZ([[1,1,1,1],[0,1,3,4]],[0,0]); |
ans2 = GKZ([[1,1,1,1],[0,1,3,4]],[0,0]); |
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/* test_if_v_strict(b,w,"x1,x2,x3,x4"); */ |
/* test_if_v_strict(b,w,"x1,x2,x3,x4"); */ |
return(a); |
return(a); |
} |
} |
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def test21() { |
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a=Sannfs3("x^3-y^2*z^2+y^2+z^2"); |
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/* a=Sannfs3("x^3-y-z"); for debug */ |
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b=a[0]; w = ["x",-1,"y",-1,"z",-1,"Dx",1,"Dy",1,"Dz",1]; |
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test_if_v_strict(b,w,"x,y,z"); |
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Println("Degree shifts of Schreyer resolution ----"); |
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Println(SgetShifts(Reparse(a[3]),w)); |
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return(a); |
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} |
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def test21b() { |
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local i,j,n,sss, maxR, ttt,ans,p, euler; |
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Println("The dimensions of linear spaces -----"); |
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/* sss is the SgetShifts of the Schreyer resol. */ |
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sss=[ [ 0 ] , [ 2 , 2 , 2 , 2 , 2 , 2 , 2 , 3 , 3 , 2 , 1 , 3 , 2 ] , [ 1 , 1 , 1 , 2 , 3 , 2 , 2 , 2 , 2 , 2 , 2 , 3 , 2 , 2 , 2 , 3 , 2 , 3 , 3 , 3 , 4 , 3 , 3 , 4 , 3 , 3 , 4 , 3 , 3 , 4 , 4 , 4 , 4 , 4 , 5 , 4 , 4 , 3 , 5 , 5 , 5 , 5 , 4 ] , [ 1 , 3 , 1 , 3 , 3 , 1 , 2 , 2 , 3 , 2 , 3 , 2 , 3 , 5 , 4 , 4 , 3 , 6 , 5 , 4 , 3 , 2 , 3 , 3 , 5 , 4 , 3 , 2 , 4 , 4 , 4 , 4 , 5 , 3 , 2 , 3 , 3 , 4 , 4 , 4 , 5 , 4 , 4 , 5 , 3 , 5 , 4 , 5 , 5 , 6 ] , [ 3 , 1 , 4 , 5 , 4 , 5 , 2 , 3 , 2 , 4 , 3 , 4 , 3 , 3 , 2 , 4 , 3 , 5 , 4 , 5 , 6 ] , [ 2 , 3 ] ] ; |
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maxR = 3; /* Maximal root of the b-function. */ |
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n = Length(sss); |
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euler = 0; |
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for (i=0; i<n; i++) { |
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ttt = sss[i]; |
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ans = 0; |
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for (j=0; j<Length(ttt); j++) { |
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p = -ttt[j] + maxR + 3; /* degree */ |
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if (p-maxR >= 0) { |
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ans = ans + CancelNumber(p*(p-1)*(p-2)/(3*2*1)); |
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/* Add the number of monomials */ |
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} |
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} |
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Print(ans); Print(", "); |
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euler = euler+(-1)^i*ans; |
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} |
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Println(" "); |
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Print("Euler number is : "); Println(euler); |
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} |
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def test21c() { |
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local i,j,n,sss, maxR, ttt,ans,p, euler; |
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Println("The dimensions of linear spaces -----"); |
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/* sss is the SgetShifts of the minimal resol. */ |
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sss= [ [ 0 ] , [ 2 , 2 , 2 , 2 , 2 , 2 , 2 ] , [ 1 , 2 , 2 , 2 , 2 , 3 , 4 , 4 , 4 , 4 ] , [ 1 , 3 , 4 , 6 ] ]; |
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maxR = 3; /* Maximal root of the b-function. */ |
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n = Length(sss); |
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euler = 0; |
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for (i=0; i<n; i++) { |
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ttt = sss[i]; |
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ans = 0; |
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for (j=0; j<Length(ttt); j++) { |
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p = -ttt[j] + maxR + 3; /* degree */ |
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if (p-maxR >= 0) { |
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ans = ans + CancelNumber(p*(p-1)*(p-2)/(3*2*1)); |
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/* Add the number of monomials */ |
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} |
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} |
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Print(ans); Print(", "); |
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euler = euler+(-1)^i*ans; |
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} |
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Println(" "); |
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Print("Euler number is : "); Println(euler); |
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} |
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def test22() { |
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a=Sannfs3("x^3+y^3+z^3"); |
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b=a[0]; w = ["x",-1,"y",-2,"z",-3,"Dx",1,"Dy",2,"Dz",3]; |
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test_if_v_strict(b,w,"x,y,z"); |
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return(a); |
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} |
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def FillFromLeft(mat,p,z) { |
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local m,n,i,j,aa; |
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m = Length(mat); n = Length(mat[0]); |
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aa = NewMatrix(m,n+p); |
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for (i=0; i<m; i++) { |
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for (j=0; j<p; j++) { |
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aa[i,j] = z; /* zero */ |
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} |
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for (j=0; j<n; j++) { |
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aa[i,j+p] = mat[i,j]; |
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} |
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} |
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return(aa); |
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} |
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def FillFromRight(mat,p,z) { |
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local m,n,i,j,aa; |
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m = Length(mat); n = Length(mat[0]); |
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aa = NewMatrix(m,n+p); |
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for (i=0; i<m; i++) { |
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for (j=n; j<n+p; j++) { |
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aa[i,j] = z; /* zero */ |
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} |
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for (j=0; j<n; j++) { |
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aa[i,j] = mat[i,j]; |
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} |
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} |
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return(aa); |
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} |
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def test23() { |
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w = ["Dx1",1,"Dx2",1,"Dx3",1,"x1",-1,"x2",-1,"x3",-1]; |
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Sweyl("x1,x2,x3",[w]); |
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d2 = [[Dx1^2-Dx2*h] , [-Dx1*Dx2+Dx3*h] , [Dx2^2-Dx1*Dx3] ]; |
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d1 = [[-Dx2, -Dx1, -h],[Dx3,Dx2,Dx1]]; |
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LL = x1*Dx1 + 2*x2*Dx2+3*x3*Dx3; |
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/* It is exact for LL = Dx1 + 2*Dx2+3*Dx3; */ |
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u1 = [[LL+4*h^2,Poly("0")],[Poly("0"),LL+5*h^2]]; |
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u2 = [[LL+2*h^2,Poly("0"),Poly("0")], |
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[Poly("0"),LL+3*h^2,Poly("0")], |
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[Poly("0"),Poly("0"),LL+4*h^2]]; |
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u3 = [[LL]]; |
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Println("Checking if it is a double complex. "); |
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Println("u^2 d^2 - d^2 u^3"); |
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sm1_pmat(u2*d2 - d2*u3); |
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Println("u^1 d^1 - d^1 u^2"); |
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sm1_pmat(u1*d1 - d1*u2); |
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aa = [ |
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Join(u3,d2), |
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Join(FillFromLeft(u2,1,Poly("0"))-FillFromRight(d2,3,Poly("0")), |
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FillFromLeft(d1,1,Poly("0"))), |
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FillFromLeft(u1,3,Poly("0"))-FillFromRight(d1,2,Poly("0")) |
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]; |
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Println([ aa[1]*aa[0], aa[2]*aa[1] ]); |
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r= IsExact_h(aa,[x1,x2,x3]); |
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Println(r); |
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test_if_v_strict(aa,w,"x1,x2,x3"); |
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/* sm1_pmat(aa); */ |
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return(aa); |
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} |
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def test24() { |
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local Res, Eqs, ww,a; |
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ww = ["x",-1,"y",-1,"Dx",1,"Dy",1]; |
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Println("Example of V-minimal <> minimal "); |
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Sweyl("x,y", [ww]); |
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Eqs = [Dx-(x*Dx+y*Dy), |
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Dy-(x*Dx+y*Dy)]; |
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sm1(" Eqs dehomogenize /Eqs set"); |
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Res = Sminimal(Eqs); |
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Sweyl("x,y", [ww]); |
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a = Reparse(Res[0]); |
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sm1_pmat(a); |
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Println("Initial of the complex is "); |
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sm1_pmat( Sinit_w(a,ww) ); |
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return(Res); |
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} |
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def test24b() { |
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local Res, Eqs, ww ; |
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ww = ["x",-1,"y",-1,"Dx",1,"Dy",1]; |
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Println("Construction of minimal "); |
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Sweyl("x,y", [ww]); |
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Eqs = [Dx-(x*Dx+y*Dy), |
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Dy-(x*Dx+y*Dy)]; |
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sm1(" Eqs dehomogenize /Eqs set"); |
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Res = Sminimal(Eqs,["Sordinary"]); |
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sm1_pmat(Res[0]); |
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return(Res); |
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} |
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def test25() { |
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w = ["Dx1",1,"Dx2",1,"Dx3",1,"Dx4",1,"Dx5",1,"Dx6",1, |
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"x1",-1,"x2",-1,"x3",-1,"x4",-1,"x5",-1,"x6",-1]; |
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ans2 = GKZ([[1,1,1,1,1,1], |
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[0,0,0,1,1,1], |
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[0,1,0,0,1,0], |
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[0,0,1,0,0,1]],[0,0,0,0]);; |
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Sweyl("x1,x2,x3,x4,x5,x6",[w]); |
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ans2 = ReParse(ans2[0]); |
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a = Sminimal(ans2); |
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} |
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def test25b() { |
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w = ["Dx1",1,"Dx2",1,"Dx3",1,"Dx4",1,"Dx5",1,"Dx6",1, |
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"x1",-1,"x2",-1,"x3",-1,"x4",-1,"x5",-1,"x6",-1]; |
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ans2 = GKZ([[1,1,1,1,1,1], |
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[0,0,0,1,1,1], |
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[0,1,0,0,1,0], |
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[0,0,1,0,0,1]],[0,0,0,0]); |
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Sweyl("x1,x2,x3,x4,x5,x6",[w]); |
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ans2 = ans2[0]; |
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sm1(" ans2 rest rest rest rest /ans2 set "); |
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Println(ans2); /* Generators of the toric ideal */ |
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ans2 = ReParse(ans2); |
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a = Sminimal(ans2); |
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} |
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