Display during quadprog solution

2020 5 29
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更新时间：2020 6 19
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what is thmeaning of the following line recived during quadprog solution:
Solved 0 variables, 0 equality, and 60 inequality constraints during the presolve.
Does it any give information regarding the matrices size afer the presolve phase?
Thanks,
Ameer

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回答（1 个）

Rohan Patel
Rohan Patel 2020-6-19

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Hi Ameer,
quadprog solves quadratic objective functions with linear constraints. “presolve” is an inbuild module which executes internally while using “quadprog”, in order to remove redundancies and simplify the problem by solving for components that are straightforward.

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