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qiaoyusun

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[求助] 二阶算子模板问题

请教一个问题,现在有这样两个算子模板 [-1, -1, 2, -1, 2, -1, 2, -1, -1],
[2, -1, -1,-1, 2, -1,[-1, -1, 2].这算子的作用是什么,有名字吗?

[ Last edited by qiaoyusun on 2011-5-7 at 10:36 ]
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