The paper presents a sufficient condition for the existence of the optimal output feedback solution of the LQ problem.

文中给出了这种输出反馈解存在的充分性条件。

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Working with business partners or consultants that deal with various types of customers in your solution/industry is a way to get good feedback on various environments with one contact point.

与处理您的解决方案或行业中各种类型客户的商业伙伴或顾问一起工作是获得对具有一个接触点的各种环境的有效的反馈。

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The solution is to build and environment which thrives on positive feedback and transparency.

其解决方案是构建这样的环境：有很多正面反馈和很高的透明度。

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Based on market and customer feedback, this Mobile Wireless Storage solution is a potential future product collaboration between Verizon and Seagate.

ENGADGET: Seagate crams Verizon 4G LTE into a battery-powered portable HDD; Thunderbolt GoFlex Adapter launches

Marc and Wouter developed the initial concept for the INTIX solution in 2010, and met with financial institutions to gather feedback and ideas for key features.

FORBES: How's This For A Change: A Startup That Surfs The Wave Of The Crisis

Since then, Campbell has brought one solution after another to a growing customer list, based on customer feedback and desire.

FORBES: Innovation: An Entrepreneur's Best Friend