2018-05-11 19:54:10 +0100 | commented question | span of a matrixspace @tmonteil done! |

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2018-05-11 10:28:32 +0100 | asked a question | span of a matrixspace given a matrix subspace of sparse matrices over a ring Q M=MatrixSpace(Q,1000,1000, sparse=True) I need a way to define the subspace N of M given a list of matrices of M I tried to turn matrices into lists and use the VectorSpace category, however my matrices are sparse matrices, and this takes very long |

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