Klaixiya

In indexing data, RTtree search may be far inferior to AVLTree

1

I had done some tests to find out the performance of indexing data using RBTree or AVLTree, the results is following: ```julia rbtree = RBTree{Int}() avltree = AVLTree{Int}() sets =...

How to get ConstraintDual?

2

The column generation algorithm performs well in the HiGHS Optimizer, but when I switched to the SCIP Optimizer, it returns the following error: ``` MathOptInterface.GetAttributeNotAllowed{MathOptInterface.ConstraintDual}: Getting attribute MathOptInterface.ConstraintDual(1) cannot be...