search for: xuhui

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2008 Nov 03
1
a nlm question
...9; " I don't know why ,can anybody give me some hints ?? thanks in advance. regards . _______________________ Jiang Peng, Ph.D. Candidate Department of mathematics & Antai college of Economics and management Shanghai Jiao Tong University Address: Room 127, #3 Building, Xuhui Campus E-mail: jp021 at sjtu.edu.cn jp021 at 126.com MSN: jp021 at hotmail.com iChat: mathfrog at mac.com Mobile: +86-138 168 780 95
2008 Nov 24
6
optimization problem
...ere any function that can work? I use nlm() but i can't fix the domain of alpha. thanks in advance _______________________ Jiang Peng, Ph.D. Candidate Department of Mathematics & Antai college of Economics and Management Shanghai Jiao Tong University Address: Room 127, #3 Building, Xuhui Campus E-mail: jp021 at sjtu.edu.cn jp021 at 126.com MSN: jp021 at hotmail.com iChat: mathfrog at mac.com Mobile: +86-138 168 780 95
2008 Oct 30
0
a nlm() question
...on't know if there is any debug method of R code. i hope somebody can help me out . Thanks in advance. ------------------------ Jiang Peng, Ph.D. Candidate Department of mathematics & Antai college of Economics and management Shanghai Jiao Tong University Address: Room 127, #3 Building, Xuhui Campus E-mail: jp021 at sjtu.edu.cn jp021 at 126.com MSN: jp021 at hotmail.com iChat: mathfrog at mac.com Mobile: +86-138 168 780 95