Matlab曲面面积估计 ()

504606846976-(179477452349969*x2^4*y2)/18014398509481984+(1144995169262675*x2^4)/144115188075855872-(1211*x2^3*y2^2)/10000-(519*x2^3*y2)/5000+(1109*x2^3)/5000-(113*x2^2*y2^3)/5000+(7681*x2^2*y2^2)/100000+(1307*x2^2*y2)/10000-(1469*x2^2)/10000-(5521*x2*y2^4)/100000-(1053*x2*y2^3)/10000+(6997*x2*y2^2)/10000+(6711*x2*y2)/10000-(9761*x2)/10000+(1148886279340723*y2^4)/144115188075855872+(3689*y2^3)/100000-(291*y2^2)/2000-(1809*y2)/10000+1043/200;z3=-(8568512622238087*x3^5)/1152921504606846976-(179477452349969*x3^4*y3)/1801439850948198+(1144995169262675*x3^4)/144115188075855872-(1211*x3^3*y3^2)/10000-(519*x3^3*y3)/5000+(1109*x3^3)/5000-(113*x3^2*y3^3)/5000+(7681*x3^2*y3^2)/100000+(1307*x3^2*y3)/10000-(1469*x3^2)/10000-(5521*x3*y3^4)/100000-(1053*x3*y3^3)/10000+(6997*x3*y3^2)/10000+1043/200;(转下页)