How to force zero or positive entries in matrix when solving LMI?

3 ビュー (過去 30 日間)
Rasmus Steffensen
Rasmus Steffensen 2018 年 8 月 20 日
編集済み: Aquatris 2018 年 8 月 23 日
Hi,
Using MATLAB's LMI tool (feasp), is there a way to force the solver to use only zero or positive entries in a matrix (decision variable). To be clear, I'm not asking about positive definiteness of the matrix, but about the entries of the matrix.
Sincerely, Rasmus

採用された回答

Aquatris
Aquatris 2018 年 8 月 23 日
編集済み: Aquatris 2018 年 8 月 23 日
You can simply add another constraint to the LMI to impose the constraint.
For instance, assume decision variables are x and y. You are trying to solve;
[10*x^2 -y+2*x ; 6*x y^2] > 0
and you want the -y+2*x to be positive. Then you can add another LMI term
-y + 2*x > 0
or if you want them to be equal to 0, then
-y + 2*x > 0
-y + 2*x < 0

その他の回答 (0 件)

カテゴリ

Help Center および File ExchangeLMI Solvers についてさらに検索

タグ

製品


リリース

R2018a

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by