搜索: a173814-编号:a173814
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A173820号
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| Hadamard-Cartan F_2自相似2^n矩阵的特征多项式系数:M={{2,-1},{-2,2}}。 |
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1, 2, -4, 1, 16, -64, 56, -16, 1, 4096, -32768, 75776, -77824, 39296, -9728, 1184, -64, 1, 4294967296, -68719476736, 375809638400, -1043677052928, 1696981843968, -1726845288448, 1143073669120, -506453819392, 152912134144, -31653363712
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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评论
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行总和为:
{1, -1, -7, -31, -208289151, 199276356275696712709633,
-27294457550222463310332530871924308277403810665846783,...}.
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链接
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配方奶粉
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M(2)={{2,-1},{-2,2}};
M(4)={{4,-2,-2,1},{-4,4,2,-2}。
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示例
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{1},
{2, -4, 1},
{ 16, -64, 56, -16, 1},
{4096, -32768, 75776, -77824, 39296, -9728, 1184, -64, 1}, ...
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数学
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清除[HadamardMatrix];
MatrixJoinH[A_,B_]:=转置[Join[Transpose[A],Transpose[B]]]
KroneckerProduct[M_,N_]:=模块[{M1,N1,LM,LN,N2},
M1=M;
N1=N;
LM=长度[M1];
LN=长度[N1];
Do[M1[[i,j]]=M1[[i,j]]N1,{i,1,LM},{j,1,LM}];
Do[M1[[i,1]]=MatrixJoinH[M1[i,1]],M1[[i,j]],{j,2,LM},{i,1,LM}];
N2={};
执行[AppendTo[N2,M1[[i,1]],{i,1,LM}];
N2=压扁[N2];
分区[N2,LM*LN,LM*L N]]
阿达玛矩阵[2]:={{2,-1},{-2,2}}
HadamardMatrix[n_]:=模块[{m},
m={{2,-1},{-2,2}};
Kronecker产品[m,HadamardMatrix[n/2]]
表[HadamardMatrix[2^n],{n,1,4}]
联接[{{1}},表[CoefficientList[CharacteristicPolynomial[HadamardMatrix[2^n],x],{n,1,6}]]
压扁[%]
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交叉参考
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关键词
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经核准的
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