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gielcheen

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dingd

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gielcheen(½ð±Ò+50): ¡ï¡ï¡ïºÜÓаïÖú ·Ç³£¸Ðл£¬µ«ÊDZà³ÌûÓп´¶®¡£¿öÇÒnÊǵ½ÕýÎÞÇÈç¹ûÖ»µ½1200£¬»¹ÊDz»Ì«ºÃ£¡ 2012-02-28 16:44:11
ÓÃÏÂÁбà³Ìģʽ´úÂë(n= 1200)£º
CODE:
Parameter a;
StartRange = [1E-100,1e-10];
Variable  x,y;
StartProgram [Pascal];
Procedure MainModel;
var i, n: integer;
    td: double;
Begin
    for i := 0 to DataLength - 1 do begin
        td := 0;
        for n := 1 to 1200 do
            td := td + exp(-n^2*pi^2*a*x[i]/0.000001);
        y[i] := 1/pi^2*td;
    end;
End;
EndProgram;
data;
0        0.98501
0.21        29.86622
0.42        32.67416
1        36.97943
4        43.80644
7        48.87115
10        51.80471
14        53.65742
18        57.08069
22        59.32729
26        60.3525
30        61.04827
35        62.75492
42        65.76456
49        68.92578
60        74.15131

²ÎÊý                  ×î¼Ñ¹ÀËã
--------------------        -------------
a        1.75957508897304E-14

====== Êä³ö½á¹û =====

Îļþ£ºÊý¾ÝÎļþ - 1
No        Ä¿±êy        ¼ÆËãy
1        0.98501        121.585420370805
2        29.86622        119.487562839931
3        32.67416        117.454445286095
4        36.97943        112.156261269926
5        43.80644        90.7639936726885
6        48.87115        76.4042344209492
7        51.80471        66.3661814206772
8        53.65742        57.0694131575808
9        57.08069        50.6002923996484
10        59.32729        45.8466101914636
11        60.3525        42.1938718181288
12        61.04827        39.2848251790096
13        62.75492        36.3697677962097
14        65.76456        33.1972842183255
15        68.92578        30.7310720717936
16        74.15131        27.7666907960382
16Â¥2012-02-28 14:55:18
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liuyufeng4

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Origin 8 ¿ÉÒԵģ¡
2Â¥2012-02-27 14:10:45
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СÓêÃÈÃÈ(½ð±Ò+1): 3Q 2012-02-29 09:44:13
ÎÒ֮ǰ·¢¹ýһƪ¹ØÓÚOrigin ½¨Á¢Óû§×Ô¶¨Ò庯Êý£¬²¢ÓÃÕâ¸öº¯ÊýÄâºÏ²ÎÊýµÄÒ»¸öÌû×Ó¡£¾ßÌå·½·¨¿ÉÒÔ²ÎÕÕ¡£
http://muchong.com/bbs/viewthread.php?tid=3335310
3Â¥2012-02-27 14:33:21
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dingd

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