标签：的问答
我如何能够有效地从零敲碎打的矩阵中删除一栏?
原文：How can I remove a column from a sparse matrix efficiently?
原文：How can I remove a column from a sparse matrix efficiently?
如果我正在使用sparse.lil_matrix格式，怎么样可以轻松高效地从矩阵中删除一列？
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