| 5 | 1/1 | 返回列表 |
| 查看: 818 | 回復(fù): 3 | |||
| 當(dāng)前只顯示滿足指定條件的回帖,點(diǎn)擊這里查看本話題的所有回帖 | |||
七匹狼狗木蟲 (小有名氣)
|
[求助]
求解非線性方程組 已有1人參與
|
||
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)
![]() |
專家經(jīng)驗(yàn): +1059 |

主管區(qū)長 (職業(yè)作家)
![]() |
專家經(jīng)驗(yàn): +1059 |

木蟲 (小有名氣)
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 材料科學(xué)與工程 317求調(diào)劑 +7 | JKSOIID 2026-03-26 | 7/350 |
|
|---|---|---|---|---|
|
[考研] 289求調(diào)劑 +16 | 新時代材料 2026-03-27 | 16/800 |
|
|
[考研] 085600,專業(yè)課化工原理,320分求調(diào)劑 +5 | 大饞小子 2026-03-29 | 5/250 |
|
|
[有機(jī)交流] 考研調(diào)劑 +8 | watb 2026-03-26 | 8/400 |
|
|
[考研] 求調(diào)劑 +10 | 家佳佳佳佳佳 2026-03-29 | 10/500 |
|
|
[考研] 297求調(diào)劑 +17 | 田洪有 2026-03-26 | 18/900 |
|
|
[考研] 328求調(diào)劑 +8 | 嗯滴的基本都 2026-03-27 | 8/400 |
|
|
[考研] 282求調(diào)劑 +4 | wcq131415 2026-03-24 | 4/200 |
|
|
[考研] 求調(diào)劑 +4 | QiMing7 2026-03-25 | 5/250 |
|
|
[考研] 349求調(diào)劑 +6 | 李木子啊哈哈 2026-03-25 | 6/300 |
|
|
[考研] 343求調(diào)劑 +6 | 愛羈絆 2026-03-29 | 6/300 |
|
|
[考研] 本科雙非材料,跨考一志愿華電085801電氣,283求調(diào)劑,任何專業(yè)都可以 +6 | 芝士雪baoo 2026-03-28 | 8/400 |
|
|
[考研] 材料與化工(0856)304求B區(qū)調(diào)劑 +8 | 邱gl 2026-03-27 | 8/400 |
|
|
[考研] 266求調(diào)劑 +11 | 陽陽哇塞 2026-03-27 | 12/600 |
|
|
[考研] 308求調(diào)劑 +7 | 墨墨漠 2026-03-25 | 7/350 |
|
|
[考研] 305求調(diào)劑 +5 | 哇盧卡庫 2026-03-26 | 5/250 |
|
|
[考研] 機(jī)械學(xué)碩310分,數(shù)一英一,一志愿211本科雙非找調(diào)劑信息 +3 | @357 2026-03-25 | 3/150 |
|
|
[考研] 334分 一志愿武理-080500 材料求調(diào)劑 +4 | 李李不服輸 2026-03-25 | 4/200 |
|
|
[考研] 考研一志愿蘇州大學(xué)初始315(英一)求調(diào)劑 +3 | sbdksD 2026-03-24 | 4/200 |
|
|
[考研] 277分求調(diào)劑,跨調(diào)材料 +3 | 考研調(diào)劑lxh 2026-03-24 | 3/150 |
|