问个关于复形之和的边界问题
X:=**x(0);X;
X2:=
**x(1);X2;
X3:=**x(2);X3;
X4:=
**x(3);X4;
X5:=
**x(4);X5;
XX:=Normalization(X5) ;
XX;
S:=Shift(XX, -2);
S;
Boundary(X5) ;
Boundary(S) ;
K:=S + X5;K;
Boundary(K) ;
Simplicial complex
[
{ 1 }
]
Simplicial complex
[
{ 1, 2 }
]
Simplicial complex
[
{ 1, 2, 3 }
]
Simplicial complex
[
{ 1, 2, 3, 4 }
]
Simplicial complex
[
{ 1, 2, 3, 4, 5 }
]
Simplicial complex
[
{ 1, 2, 3, 4, 5 }
]
Simplicial complex
[
{ -1, 0, 1, 2, 3 }
]
Simplicial complex
[
{ 1, 2, 4, 5 },
{ 1, 2, 3, 4 },
{ 1, 3, 4, 5 },
{ 1, 2, 3, 5 },
{ 2, 3, 4, 5 }
]
Simplicial complex
[
{ -1, 0, 1, 3 },
{ -1, 1, 2, 3 },
{ 0, 1, 2, 3 },
{ -1, 0, 1, 2 },
{ -1, 0, 2, 3 }
]
Simplicial complex
[
{ 4, 5, 6, 7, 8 },
{ -1, 0, 1, 2, 3 }
]
Simplicial complex
[
{ 0, 1, 2, 3 },
{ 4, 5, 6, 8 },
{ 4, 5, 7, 8 },
{ 5, 6, 7, 8 },
{ -1, 0, 1, 3 },
{ -1, 0, 2, 3 },
{ 4, 5, 6, 7 },
{ 4, 6, 7, 8 },
{ -1, 0, 1, 2 },
{ -1, 1, 2, 3 }
]
边界之和是怎样算出的？
{ 4, 5, 6, 7, 8 },
{ -1, 0, 1, 2, 3 }
页:
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