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ÓÃmatlab½øÐÐÊý¾ÝÄâºÏ£¬È´³öÏÖÏÂÁдíÎó£¬Çë¸ßÊÖÖ¸µã¸ÃÔõô¸Ä£¿ ÒÑÓÐ1È˲ÎÓë
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³õѧmatlab£¬ÐèÒª±àдһ×é³ÌÐò£¬°ÑʵÑéÊý¾ÝÄâºÏ×÷³öͼÏߣ¬²¢Çó³ö»ý·Ö£¬ÔËÐкó³öÏÖÏÂÁдíÎ󣬲»Öª´íÎó³öÔÚÄÄÀ¸ÃÔõô¸Ä£¬¸Ð¼¤²»¾¡¡£¡£¡£ ´íÎó³ÌÐòÈçÏ£º X=0:2:786; data=xlsread('C:\Users\Administrator\Desktop\result example.xlsx',1,'A1:A394'); Y=[data] Y2=linspace(1,1,394) P=polyfit(X,Y,11); Y1=polyval(P,X) Y3=Y2-Y1 Y4=Y1./Y3 Q=trapz(X,Y4) format short plot(X,Y,' ',X,Y1,'-*');%plot(X,Y4,' ');Y = 14.3900 14.4000 14.6600 14.6600 14.6600 14.6600 15.1200 15.1200 15.1200 15.5200 15.5200 15.5200 15.9800 15.9800 15.9800 16.4500 16.4500 16.4500 16.8900 16.8900 16.8900 16.8900 17.1200 17.1200 17.4900 17.4900 17.4900 17.8400 17.8400 17.8400 18.3100 18.3100 18.3100 19.1600 19.1600 19.1600 20.1300 20.1300 20.1300 21.3000 21.3000 21.3000 21.3000 22.8500 22.8500 24.2600 24.2600 24.2600 24.2600 25.3000 25.3000 26.2000 26.2000 26.2000 26.2000 27.0000 27.0000 27.4000 27.4000 27.4000 27.4000 27.8000 27.8000 28.2000 28.2000 28.2000 28.2000 28.3000 28.3000 28.3000 28.3000 28.4000 28.4000 28.4000 28.4000 28.4000 28.4000 28.4000 28.4000 28.4000 28.4000 28.4000 28.4000 28.3000 28.3000 28.2000 28.2000 28.2000 28.2000 28.2000 28.2000 28.2000 28.2000 28.2000 28.2000 28.1000 28.1000 28.1000 28.1000 28.1000 28.1000 28.1000 28.1000 28.0000 28.0000 28.0000 28.0000 27.9000 27.9000 27.9000 27.8000 27.8000 27.8000 27.8000 27.8000 27.8000 27.7000 27.7000 27.7000 27.5000 27.5000 27.5000 27.5000 27.5000 27.5000 27.3000 27.3000 27.3000 27.3000 27.3000 27.4000 27.3000 27.3000 27.3000 27.2000 27.2000 27.2000 27.0000 27.0000 27.0000 27.0000 27.0000 27.0000 27.0000 27.0000 26.9000 26.8000 26.8000 26.8000 26.8000 26.8000 26.8000 26.7000 26.7000 26.7000 26.7000 26.7000 26.6000 26.6000 26.4000 26.4000 26.4000 26.3000 26.3000 26.3000 26.3000 26.3000 26.3000 26.2000 26.2000 26.2000 26.2000 26.2000 26.2000 26.2000 26.1000 26.1000 26.1000 25.9000 25.9000 25.9000 25.9000 25.9000 25.9000 25.8000 25.8000 25.6000 25.6000 25.6000 25.6000 25.6000 25.6000 25.5000 25.5000 25.5000 25.5000 25.6000 25.6000 25.5000 25.5000 25.5000 25.5000 25.5000 25.5000 25.5000 25.5000 25.4000 25.4000 25.2000 25.2000 25.2000 25.2000 25.2000 25.2000 25.1000 25.1000 25.1000 25.1000 25.1000 25.1000 24.9500 24.9500 24.9500 24.8700 24.8700 24.8700 24.8600 24.8600 24.8600 24.8600 24.8100 24.8100 24.7500 24.7500 24.7500 24.6800 24.6800 24.6800 24.6800 24.6100 24.6100 24.5500 24.5500 24.5500 24.5500 24.4200 24.4200 24.3600 24.3600 24.3600 24.3600 24.3600 24.2900 24.2200 24.2200 24.2200 24.2200 24.2200 24.2200 24.1200 24.1200 24.1200 24.1200 24.0500 24.0500 24.0400 24.0400 24.0400 24.0400 23.9100 23.9100 23.9100 23.9100 23.7700 23.7700 23.7800 23.7800 23.7800 23.7800 23.6100 23.6100 23.4200 23.4200 23.4200 23.4200 23.3800 23.3800 23.3800 23.3300 23.3300 23.3300 23.1500 23.1500 23.1500 23.1500 23.1500 23.1400 23.0800 23.0800 22.9500 22.9500 22.9500 22.9500 22.7600 22.7600 22.6200 22.6200 22.6200 22.6200 22.5700 22.5700 22.5700 22.3800 22.3800 22.3800 22.3300 22.3300 22.3300 22.1300 22.1300 22.1300 22.0200 22.0200 22.0200 21.8800 21.8800 21.8800 21.6900 21.6900 21.6900 21.5500 21.5500 21.5500 21.3500 21.3500 21.3500 21.3500 21.1700 21.1700 21.1700 20.9900 20.9900 20.9900 20.6100 20.6100 20.6100 20.4300 20.4200 20.4200 20.1900 20.1900 20.1900 19.9600 19.9600 19.9700 19.6200 19.6200 19.6200 19.3000 19.3100 19.3100 18.8600 18.8600 18.8600 18.4800 18.4800 18.4800 18.0000 18.0000 18.0000 18.0000 17.4800 17.4800 17.4800 16.9200 16.9200 16.4700 16.4700 16.4700 16.4700 16.0300 16.0300 15.5800 15.5800 15.5800 15.5800 15.0500 15.0500 14.6300 14.6300 14.6300 14.6300 14.3100 14.3000 Y2 = Columns 1 through 24 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 25 through 48 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 49 through 72 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 73 through 96 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 97 through 120 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 121 through 144 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 145 through 168 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 169 through 192 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 193 through 216 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 217 through 240 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 241 through 264 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 265 through 288 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 289 through 312 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 313 through 336 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 337 through 360 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 361 through 384 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Columns 385 through 394 1 1 1 1 1 1 1 1 1 1 Error using polyfit (line 48) X and Y vectors must be the same size. |
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