数学建模案例精编(国防大学）

A=[96 144 194 276 383 466 554 652 747 832 972; 111 169 235 400 459 565 695 805 881 1011 1139; 151 238 335 425 541 641 739 866 975 1087 1238; 164 263 376 531 600 711 913 1038 1173 1296 1497; 182 318 445 576 708 856 1000 1145 1292 1435 1667; 216 361 504 642 818 979 1142 1305 1479 1644 1920;]; x0=mean(A,2)'; n=length(x0); x1=cumsum(x0); YN=diff(x1)'; a=input('输入邻值生成系数:') for k=2:n z1(k)=a*x1(k)+(1-a)*x1(k-1); end %z1=z1'; %B=[-z1(2:n) ones((n-1),1)]; %u=inv(B'*B)*B'*YN Y=x0(2:n); C=sum(z1(2:n)); D=sum(Y); E=sum(z1(2:n).*Y); F=sum(z1(2:n).^2); a1=(C.*D-(n-1).*E)./((n-1).*F-C.^2) b1=(D.*F-C.*E)./((n-1).*F-C.^2) %A=[83.0 79.8 78.1 85.1 86.6 88.2 90.3 86.7 93.3 92.5 90.9 96.9; 101.7 85.1 87.8 91.6 93.4 94.5 97.4 99.5 104.2 102.3 101.0 123.5; 92.2 114.0 93.3 101.0 103.5 105.2 109.5 109.2 109.6 111.2 121.7 131.3; 105.0 125.7 106.6 116.0 117.6 118.0 121.7 118.7 120.2 127.8 121.8 121.9; 139.3 129.5 122.5 124.5 135.7 130.8 138.7 133.7 136.8 138.9 129.6 133.7; 137.5 135.3 133.0 133.4 142.8 141.6 142.9 147.3 159.6 162.1 153.5 155.9;];