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Eigen
3.3.3
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A sparse matrix expression referencing an existing sparse expression.
SparseMatrixType | the equivalent sparse matrix type of the referenced data, it must be a template instance of class SparseMatrix. |
Options | specifies whether the a standard compressed format is required Options is #StandardCompressedFormat , or 0 . The default is 0 . |
Public Member Functions | |
template<typename Derived > | |
Ref (SparseCompressedBase< Derived > &expr) |
Eigen::Ref< SparseMatrixType, Options >::Ref | ( | SparseCompressedBase< Derived > & | expr | ) | [inline] |
Implicit constructor from any sparse expression (2D matrix or 1D vector)