Update README.md

README.md

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 Dataset of sensitivity systems from DiffOpt.jl.
-Part of: https://github.com/LearningToOptimize/BatchNLPSolver.jl
-Their solution gives the sensitivity of the optimal solution wrt the parameters.
+
+Part of: https://github.com/LearningToOptimize/BatchNLPSolver.jl.
+
+The solution of the linear systems in the dataset gives the sensitivity of the optimal solution of the underlying optimization problem wrt the parameters.
 
 Each file is a different optimization problem. JLD2 files are segregated by (parameter1, ..., parameterm, M, N).
 M and N are the LHS and RHS of the linear system respectivelly.