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1、Y1=2.167-0.018x1+0.01x2-0.009x3+0.012x4+0.085x1^2+0.074x3^2Y2=39.872-0.198x1+0.085x2-0.264x3-0.105x4+0.617x2^2y1=2.167-0.018∙x1+0.01∙x2-0.009∙x3+0.012∙x4+0.085∙x12+0.074∙x32y2=39.872-0.198∙x1+0.085∙x2-0.264∙x3-0.105∙x4+0.617∙x22clearall;%响应面图x1=50:0.01:70;
2、x2=30:0.01:50;[X1,X2]=meshgrid(x1,x2);X3=50;X4=70;Y1=2.167-0.018.*X1+0.01.*X2-0.009.*X3+0.012.*X4+0.085.*X1.^2+0.074.*X3.^2;surfc(X1,X2,Y1)shadingflatrotate3dclearall;%响应面图x2=30:0.01:50;x3=40:0.01:60;[X2,X3]=meshgrid(x2,x3);X1=60;X4=70;Y1=2.167-0.018.*X1+0
3、.01.*X2-0.009.*X3+0.012.*X4+0.085.*X1.^2+0.074.*X3.^2;surfc(X2,X3,Y1)shadingflatrotate3dclearall;%响应面图x1=50:0.01:70;x3=40:0.01:60;[X1,X3]=meshgrid(x1,x3);X2=40;X4=70;Y1=2.167-0.018.*X1+0.01.*X2-0.009.*X3+0.012.*X4+0.085.*X1.^2+0.074.*X3.^2;surfc(X1,X3,Y1)s
4、hadingflatrotate3dclearall;%响应面图x1=50:0.01:70;x4=60:0.01:80;[X1,X4]=meshgrid(x1,x4);X2=40;X3=50;Y1=2.167-0.018.*X1+0.01.*X2-0.009.*X3+0.012.*X4+0.085.*X1.^2+0.074.*X3.^2;surfc(X1,X4,Y1)shadingflatrotate3dclearall;%响应面图x2=30:0.01:50;x4=60:0.01:80;[X2,X4]=me
5、shgrid(x2,x4);X1=60;X3=50;Y1=2.167-0.018.*X1+0.01.*X2-0.009.*X3+0.012.*X4+0.085.*X1.^2+0.074.*X3.^2;surfc(X2,X4,Y1)shadingflatrotate3dclearall;%响应面图x3=40:0.01:60;x4=60:0.01:80;[X3,X4]=meshgrid(x3,x4);X1=60;X2=40;Y1=2.167-0.018.*X1+0.01.*X2-0.009.*X3+0.012.
6、*X4+0.085.*X1.^2+0.074.*X3.^2;surfc(X3,X4,Y1)shadingflatrotate3dclearall;%响应面图x1=50:0.01:70;x2=30:0.01:50;[X1,X2]=meshgrid(x1,x2);X3=50;X4=70;Y2=39.872-0.198*X1+0.085*X2-0.264*X3-0.105*X4+0.617*X2.^2;surfc(X1,X2,Y2)shadingflatrotate3dclearall;%响应面图x1=50:0.
7、01:70;x3=40:0.01:60;[X1,X3]=meshgrid(x1,x3);X2=40;X4=70;Y2=39.872-0.198*X1+0.085*X2-0.264*X3-0.105*X4+0.617*X2.^2;surfc(X1,X3,Y2)shadingflatrotate3dclearall;%响应面图x1=50:0.01:70;x4=60:0.01:80;[X1,X4]=meshgrid(x1,x4);X2=40;X3=50;Y2=39.872-0.198*X1+0.085*X2-0.
8、264*X3-0.105*X4+0.617*X2.^2;surfc(X1,X4,Y2)shadingflatrotate3dclearall;%响应面图x2=30:0.01:50;x3=40:0.01:60;[X2,X3]=meshgrid(x2,x3);X1=60;X4=70;Y2=39.872-0.198*X1+0.085*X2-0.264*X3-0.105*X4+0.617*X2.^2;surfc(X2,X
