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评论
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这个8X8矩阵的行列式是a(8)=56:
{0,1,1,1,0,1,0,0},
{1, 0, 1, 1, 0, 1, 0, 0},
{1, 1, 0, 1, 0, 0, 1, 1},
{1,1,1,0,1,0,0,1},
{0,0,0,1,1,1,0,1},
{1, 1, 0, 0, 1, 1, 1, 0},
{0, 0, 1, 0, 0, 1, 1, 1},
{0, 0, 1, 1, 1, 0, 1, 0}
这个9X9矩阵的行列式是a(9)=144:
{1, 1, 0, 1, 1, 0, 0, 1, 1},
{1, 1, 1, 1, 0, 1, 0, 0, 0},
{0, 1, 1, 1, 0, 0, 1, 1, 1},
{1, 1, 1, 0, 1, 0, 1, 0, 1},
{1, 0, 0, 1, 0, 1, 1, 0, 1},
{0, 1, 0, 0, 1, 1, 1, 1, 0},
{0, 0, 1, 1, 1, 1, 0, 0, 1},
{1, 0, 1, 0, 0, 1, 0, 1, 1},
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