https://open.library.ubc.ca/soa/cIRcle/collections/ubctheses/24/items/1.0417284
Analysis and preconditioning of double saddle-point systems - UBC Library Open Collections
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saddle point systems
https://udspace.udel.edu/items/c50867b7-338d-4cc1-94af-cdc998f9a13c
A Saddle Point Least Squares method for systems of linear PDEs
We present a Saddle Point Least Squares (SPLS) method for solving variational formulations with different types of trial and test spaces. The general mixed...
least squaresfor systemssaddlepoint