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Eigen
3.2.91
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A sparse matrix expression referencing an existing sparse expression.
PlainObjectType | the equivalent sparse matrix type of the referenced data |
Options | specifies whether the a standard compressed format is required Options is #StandardCompressedFormat , or 0 . The default is 0 . |
StrideType | Only used for dense Ref |
Inherits Eigen::internal::SparseRefBase< Ref< SparseMatrix< MatScalar, MatOptions, MatIndex >, Options, StrideType > >.