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[½»Á÷] 1stopt¹²ÏíÊý¾ÝÄâºÏ ÒÑÓÐ1È˲ÎÓë

SharedModel;
Variable x,y(1:5);
Function  y1 = 125*7.89*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
          y2 = 112*7.89*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
          y3 = 82*7.89*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
          y4 = 70*7.89*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
          y5 = 125*10.2*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);

Data;
//x y1 y2 y3 y4 y5
1.5        2.02        1.91        1.63        1.51                2.2
2        1.83        1.73        1.48        1.37                2.01
4        1.46        1.38        1.18        1.09                1.63
6        1.27        1.2        1.03        0.95                1.42
8        1.15        1.09        0.93        0.86                1.29
10        1.07        1.01        0.87        0.8                1.2
12        1        0.95        0.81        0.75                1.13
//////////////////////////////////////////////////
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lipenggg

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
¹«Ê½Àï¶¼ÓÐ(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5) £¬µÈÓÚÊÇÒ»¸ö¹«Ê½Ç°ÃæÓв»Í¬µÄϵÊý£¬Êý¾ÝÓ빫ʽ²»Æ¥ÅäÊDz»¿ÉÄÜÄâºÏºÃµÄ¡£¿ÉÒÔÊÔÊÔÏÂÃæµÄ¹«Ê½£¬Ã¿×éÇúÏß¶¼ÄÜÄâºÏµÄºÜºÃ£¬µ«ÊÇ¿ÉÄܲ»·ûºÏÄãµÄÒªÇó¡£         
          y1 = a*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
          y2 = b*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
          y3 = c*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
          y4 = d*(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5);
Ò»ÍÅºÍÆø
2Â¥2015-11-27 11:58:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bbswen

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ÒýÓûØÌû:
2Â¥: Originally posted by lipenggg at 2015-11-27 11:58:19
¹«Ê½Àï¶¼ÓÐ(p1+p2*x+p3*x^2+p4*x^3+p5/x^1.5) £¬µÈÓÚÊÇÒ»¸ö¹«Ê½Ç°ÃæÓв»Í¬µÄϵÊý£¬Êý¾ÝÓ빫ʽ²»Æ¥ÅäÊDz»¿ÉÄÜÄâºÏºÃµÄ¡£¿ÉÒÔÊÔÊÔÏÂÃæµÄ¹«Ê½£¬Ã¿×éÇúÏß¶¼ÄÜÄâºÏµÄºÜºÃ£¬µ«ÊÇ¿ÉÄܲ»·ûºÏÄãµÄÒªÇó¡£         
          ...

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3Â¥2015-11-27 14:00:27
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