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dingd
Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)
- Ó¦Öú: 1641 (½²Ê¦)
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y = p0+p1*x^1+p2*x^2+p3*x^3+p4*x^4+p5*x^5+p6*x^6 ¾ù·½²î(RMSE): 8.60486716182773E-5 ²Ð²îƽ·½ºÍ(SSR): 1.55491851632673E-7 Ïà¹ØÏµÊý(R): 0.999999898232028 Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.999999796464066 ÐÞÕýRƽ·½(Adj. R^2): 0.999999773848963 È·¶¨ÏµÊý(DC): 0.999999796464067 ¿¨·½ÏµÊý(Chi-Square): 1.36000927274479E-7 Fͳ¼Æ(F-Statistic): 11463984.867623 ²ÎÊý ×î¼Ñ¹ÀËã ---------- ------------- p0 4.07859791029 p1 -6.94663846613701 p2 6.40757431276622 p3 -3.45963566377893 p4 1.09453848974309 p5 -0.188100180071641 p6 0.0135630184160733 |
2Â¥2018-11-13 15:50:24
wurongjun
ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)
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ר¼Ò¾Ñé: +831 - ÊýѧEPI: 9
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>> A=[int(1*1,x,1,3),int(1*x,x,1,3);int(x*1,x,1,3),int(x*x,x,1,3)] A = [ 2, 4] [ 4, 26/3] >> d=[int(1/x*1,x,1,3);int(1/x*x,x,1,3)] d = [ log(3)] [ 2] >> a=inv(A)*d a = [ 13/2*log(3)-6] [ -3*log(3)+3] >> S1=a(1)+a(2)*x S1 = 13/2*log(3)-6+(-3*log(3)+3)*x >> Er=int(1/x^2,x,1,3)-a'*d Er = -16/3-(13/2*log(3)-6)*log(3)+6*log(3) >> double(Er) ans = 0.0048 |

3Â¥2018-11-13 16:08:13













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