何毓琦的个人博客分享 http://blog.sciencenet.cn/u/何毓琦 哈佛(1961-2001) 清华(2001-date)

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yuhaocsc 2018-8-25 07:56
Dear Professor He, I am so sorry to disturb you again. The last message has some mistake in format. Thus I send message again. Please forgive me. I am studying the optimal control recently. But there is a concept about conjugate point confused me. Fortunately, this concept is mentioned in your paper--“J.V. Breakwel and Ho Yu-Chi, “On the conjugate point condition for the control problem,” International Journal of Engineering Science,vol.2, issue. 6, pp. 565-579, Mar. 1965.\". However, I ca ... ...
yuhaocsc 2018-8-25 07:50
Dear Professor He, It is so sorry to disturb you. I am studying the optimal control recently. But there is a concept about conjugate point confused me. Fortunately, this concept is mentioned in your paper--“J.V. Breakwel and Ho Yu-Chi, “On the conjugate point condition for the control problem,” International Journal of Engineering Science,vol.2, issue. 6, pp. 565-579, Mar. 1965.\". However, I can not find the manuscript from the Internet. Could you please send a copy of the manuscript to m ... ...
yafeiguo 2018-5-25 18:00
Dear Professor He, I used to follow your blog since ten years ago.  It was like a window to look out, to imagine what it would be to do research in the U.S. I went to Brown University as a visiting scholar last year. Now when I read your former blogs again, I find so many familiar things. I am writing to say thank you. Thanks for keep writing blogs here. Thanks for providing so many new things to Chinese young researchers including me. Best regards.
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