MATLAB拟合二元一次函数,求参量a、b、cX1 =[6.7276 6.8386 7.0171 7.1476 7.3165 7.5428 7.5605]X2 =[5.7659 + 3.1416i 5.7662 + 3.1416i 5.8266 + 3.1416i 5.8738 + 3.1416i 6.1117 + 3.1416i 6.2977 + 3.1416i 5.9172 + 3.1416i]Y=[8.6580 8.8148 9.1354
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![MATLAB拟合二元一次函数,求参量a、b、cX1 =[6.7276 6.8386 7.0171 7.1476 7.3165 7.5428 7.5605]X2 =[5.7659 + 3.1416i 5.7662 + 3.1416i 5.8266 + 3.1416i 5.8738 + 3.1416i 6.1117 + 3.1416i 6.2977 + 3.1416i 5.9172 + 3.1416i]Y=[8.6580 8.8148 9.1354](/uploads/image/z/15236908-52-8.jpg?t=MATLAB%E6%8B%9F%E5%90%88%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0%2C%E6%B1%82%E5%8F%82%E9%87%8Fa%E3%80%81b%E3%80%81cX1+%3D%5B6.7276+6.8386+7.0171+7.1476+7.3165+7.5428+7.5605%5DX2+%3D%5B5.7659+%2B+3.1416i+5.7662+%2B+3.1416i+5.8266+%2B+3.1416i+5.8738+%2B+3.1416i+6.1117+%2B+3.1416i+6.2977+%2B+3.1416i+5.9172+%2B+3.1416i%5DY%3D%5B8.6580+8.8148+9.1354)
MATLAB拟合二元一次函数,求参量a、b、cX1 =[6.7276 6.8386 7.0171 7.1476 7.3165 7.5428 7.5605]X2 =[5.7659 + 3.1416i 5.7662 + 3.1416i 5.8266 + 3.1416i 5.8738 + 3.1416i 6.1117 + 3.1416i 6.2977 + 3.1416i 5.9172 + 3.1416i]Y=[8.6580 8.8148 9.1354
MATLAB拟合二元一次函数,求参量a、b、c
X1 =[6.7276 6.8386 7.0171 7.1476 7.3165 7.5428 7.5605]
X2 =[5.7659 + 3.1416i 5.7662 + 3.1416i 5.8266 + 3.1416i 5.8738 + 3.1416i 6.1117 + 3.1416i 6.2977 + 3.1416i 5.9172 + 3.1416i]
Y=[8.6580 8.8148 9.1354 9.1278 9.1411 9.1973 9.2518]
matlab 拟合Y=a+b*X1+c*X2,求matlab程序求解a、b、c
MATLAB拟合二元一次函数,求参量a、b、cX1 =[6.7276 6.8386 7.0171 7.1476 7.3165 7.5428 7.5605]X2 =[5.7659 + 3.1416i 5.7662 + 3.1416i 5.8266 + 3.1416i 5.8738 + 3.1416i 6.1117 + 3.1416i 6.2977 + 3.1416i 5.9172 + 3.1416i]Y=[8.6580 8.8148 9.1354
X1 =[6.7276 6.8386 7.0171 7.1476 7.3165 7.5428 7.5605];
X2 =[5.7659 + 3.1416i 5.7662 + 3.1416i 5.8266 + 3.1416i 5.8738 + 3.1416i 6.1117 + 3.1416i 6.2977 + 3.1416i 5.9172 + 3.1416i];
Y=[8.6580 8.8148 9.1354 9.1278 9.1411 9.1973 9.2518];
X0=[1 1 1 1 1 1 1];
X1 =[6.7276 6.8386 7.0171 7.1476 7.3165 7.5428 7.5605];
X2 =[5.7659 + 3.1416i 5.7662 + 3.1416i 5.8266 + 3.1416i 5.8738 + 3.1416i 6.1117 + 3.1416i 6.2977 + 3.1416i 5.9172 + 3.1416i];
Y=[8.6580 8.8148 9.1354 9.1278 9.1411 9.1973 9.2518];
X0=[1 1 1 1 1 1 1];
A=[X0' X1' X2'];
A\Y'
输入以上在command window 回车 既得你所要的 a b c
楼主速度给分啊,必须是正确的
X2是复数?