how can solve Marginal stability ?

how can solve Marginal stability ? for example: dx=[0 1 0 0;-1 0 0 0;0 0 -1 1;0 0 -2 1]x

[Brian B]

You might find the following very helpful:

http://www.mathworks.com/matlabcentral/answers/20313-how-to-get-answers-for-my-unanswered-questions

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

Answer 1

[ali]

up!! please help