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function F = myfun(x) syms a1 a2 a3 a4 a5 x; t=a1*x+a2*x^2+a3*x^3+a4*x^4+a5*x^5; f=(1+t+t^2/2+t^3/6+t^4/24+t^5/120); f1=int(x*f,x,0.5779,13.5993); g=int(f,x, 0.5779,13.5993); r1=1-f1/(6.86*g); f2=int(x^2*f,x,0.5779,13.5993); r2=1-f2/(54.39*g); f3=int(x^3*f,x,0.5779,13.5993); r3=1-f3/(478.14*g); f4=int(x^4*f,x,0.5779,13.5993); r4=1-f4/(4534.51*g); f5=int(x^5*f,x,0.5779,13.5993); r5=1-f5/(45534.81*g); r=r1+r2+r3+r4+r5; a=[a1,a2,a3,a4,a5]; a0=[0,0,0,0,0]; options=[]; a= fminu(r,a0,options); ³ÌÐòÔËÐв»³öÀ´£¬Ã²ËÆ fminunc Õâ¸öº¯ÊýÒ²¿ÉÒÔ£¬Ö»Òª¸ü¸ÄºóÄÜÔÚmatlabÖÐÔËÐÐ ÄÜÇó³öaµÄ5¸öÊýÖµ¾Í¿ÉÒÔ£¬Ð¡µÜÔڴ˹òл´óÉñÁË Ö»ÓÐ8¸ö½ð±Ò£¬È«²¿¹±Ï×£¨ÊµÔÚÌ«ÉÙÁË£© |
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S313020055
гæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- Ìû×Ó: 5
- ÔÚÏß: 11.4Сʱ
- ³æºÅ: 3088156
- ×¢²á: 2014-03-25
- רҵ: ½á¹¹¹¤³Ì
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