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七匹狼狗木蟲 (小有名氣)
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[求助]
求解非線性方程組 已有1人參與
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新人,求了好久都求不出來![]() f=[f1;f2;f3]; f1=sin(x2 + q1 - x1)*cos(alpha1)*((cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1))*(2*c*x2*ipg1*sin(deltaf1) - ipg1*sin(deltaf1) + 1) + E1*ipg1*sin(deltaf1)*(2*c*x2 - 1)) - cos(x2 + q1 - x1)*cos(alpha1)*((S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)))*(2*c*x2*ipg1*sin(deltaf1) - ipg1*sin(deltaf1) + 1) + XB1*ipg1*cos(deltaf1)*(2*c*x2 - 1) + ipg1*x3*cos(alpha1)*cos(deltaf1)*(2*c*x2 - 1)) - ipg1*cos(deltaf1)*sin(alpha1)*(2*c*x2 - 1)*(E1 + rg1*cos(x2 + q1 - x1) - S1*sin(x2 + q1) + x3*cos(x2 + q1 - x1)*sin(alpha1))); f2= Zp1 - X1*sin(deltaf1 + deltaf2) - Am1*cos(a1) - xp3*cos(a1) + yp3*sin(a1) - XB1*sin(deltaf1 + deltaf2)*sin(deltaf1) + E1*sin(x2*ipg1*(c*x2 - 1))*cos(deltaf1 + deltaf2) - x3*sin(deltaf1 + deltaf2)*cos(alpha1)*sin(deltaf1) - S1*sin(x2*ipg1*(c*x2 - 1))*cos(deltaf1 + deltaf2)*sin(x2 + q1) + XB1*cos(x2*ipg1*(c*x2 - 1))*cos(deltaf1 + deltaf2)*cos(deltaf1) + S1*cos(x2 + q1)*sin(deltaf1 + deltaf2)*cos(deltaf1) + rg1*sin(x2 + q1 - x1)*sin(deltaf1 + deltaf2)*cos(deltaf1) + rg1*sin(x2*ipg1*(c*x2 - 1))*cos(x2 + q1 - x1)*cos(deltaf1 + deltaf2) + x3*cos(x2*ipg1*(c*x2 - 1))*cos(deltaf1 + deltaf2)*cos(alpha1)*cos(deltaf1) + x3*sin(x2 + q1 - x1)*sin(deltaf1 + deltaf2)*cos(deltaf1)*sin(alpha1) + S1*cos(x2*ipg1*(c*x2 - 1))*cos(deltaf1 + deltaf2)*cos(x2 + q1)*sin(deltaf1) + x3*sin(x2*ipg1*(c*x2 - 1))*cos(x2 + q1 - x1)*cos(deltaf1 + deltaf2)*sin(alpha1) + rg1*cos(x2*ipg1*(c*x2 - 1))*sin(x2 + q1 - x1)*cos(deltaf1 + deltaf2)*sin(deltaf1) + x3*cos(x2*ipg1*(c*x2 - 1))*sin(x2 + q1 - x1)*cos(deltaf1 + deltaf2)*sin(alpha1)*sin(deltaf1); f3=(abs(cos(deltaf1)*(cos(pi/2 - deltaf1 - deltaf2)*(sin(deltaf1)*(sin(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) - cos(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) + cos(ipg1*(x2 - c*x2^2))*cos(deltaf1)*(cos(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) + sin(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) - sin(ipg1*(x2 - c*x2^2))*cos(deltaf1)*(E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1))) + sin(pi/2 - deltaf1 - deltaf2)*(cos(deltaf1)*(sin(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) - cos(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) + sin(ipg1*(x2 - c*x2^2))*sin(deltaf1)*(E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1)) - cos(ipg1*(x2 - c*x2^2))*sin(deltaf1)*(cos(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) + sin(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))))) + sin(deltaf1)*(sin(pi/2 - deltaf1 - deltaf2)*(sin(deltaf1)*(sin(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) - cos(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) + cos(ipg1*(x2 - c*x2^2))*cos(deltaf1)*(cos(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) + sin(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) - sin(ipg1*(x2 - c*x2^2))*cos(deltaf1)*(E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1))) - cos(pi/2 - deltaf1 - deltaf2)*(cos(deltaf1)*(sin(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) - cos(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) + sin(ipg1*(x2 - c*x2^2))*sin(deltaf1)*(E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1)) - cos(ipg1*(x2 - c*x2^2))*sin(deltaf1)*(cos(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) + sin(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))))))^2 + abs(cos(deltaf1)*(sin(ipg1*(x2 - c*x2^2))*(cos(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) + sin(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) + cos(ipg1*(x2 - c*x2^2))*((E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1))*cos(deltaf1)^2 + (E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1))*sin(deltaf1)^2)))^2 + abs(sin(deltaf1)*(sin(ipg1*(x2 - c*x2^2))*(cos(deltaf1)*(XB1 + X1*sin(deltaf1) + x3*cos(alpha1)) + sin(deltaf1)*(S1*cos(x2 + q1) + sin(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - X1*cos(deltaf1))) + cos(ipg1*(x2 - c*x2^2))*((E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1))*cos(deltaf1)^2 + (E1 + cos(x2 + q1 - x1)*(rg1 + x3*sin(alpha1)) - S1*sin(x2 + q1))*sin(deltaf1)^2)))^2)^(1/2) - Am1*sin(a1) - yp3*cos(a1) - xp3*sin(a1); 上式中: rg1=110.440; alpha1=roundn(19*pi/180,-6); q1=roundn(69.4900*pi/180,-6); ipg1=3.2953; S1=101.7300; deltaf1=roundn(16.1035*pi/180,-6); deltaf2=roundn(69.0784*pi/180,-6); XB1=0.5300;%此處的字母“b”多余,刪除 X1=-1.9100; E1=2.5400; c=-0.000010; a1=roundn(17.7*pi/180,-6); Am1=roundn(37.5/sin(a1)-35/2,-6); Zp1=0; xp3=2.604843; yp3=-1.324843; 求解[x1;x2;x3] |
主管區(qū)長 (職業(yè)作家)
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專家經(jīng)驗: +1059 |

木蟲 (小有名氣)
主管區(qū)長 (職業(yè)作家)
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專家經(jīng)驗: +1059 |

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