laplacian,degree,adjacency and oriented incidence matrix, differential and laplacian coordinates
2016-11-03 21:32
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注意购造incident matrix时, 边上点索引小的为-1,大的为1
注意交换每列没关系
这里的L没有标准化处理,要标准化处理的话
不需要对称的话,则可以表示为
laplacian coordinates
differential coordinates
当weight等于degree的时候,这个时候differential coordinates 就变成了 laplacian coordinates
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