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[交流]
【求助】求助:非線性多項方程組求解
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本人為機(jī)械專業(yè),遇到了如下非線性多項方程組求解問題: (2.54-x9)^2+(0.31-y9)^2=5.3824 (2.88-x5)^2+(1.66-y5)^2=5.3824 (2.88-x4)^2+(1.66-y4)^2=7.84 (x4-x5)^2+(y4-y5)^2=2.5921 (x4-x8)^2+(y4-y8)^2=11.2896 (x10-x5)^2+(y10-y5)^2=2.56 (4.76-x8)^2+( y8)^2=15.3664 (4.76-x6)^2+( y6)^2=5.1984 (x6-x9)^2+(y6-y9)^2=3.3856 (x6-x10)^2+(y6-y10)^2=4.73 (x9-x10)^2+(y9-y10)^2=2.56 (x6-x8)^2+(y6-y8)^2=3.61 PS通過文獻(xiàn)調(diào)研有人說同倫法比較好(又稱連續(xù)法),但本文為機(jī)械 所以不太懂,上述方程有很快的解決方法嗎?本人快交畢業(yè)初稿了。 |
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木蟲 (正式寫手)
鐵桿木蟲 (職業(yè)作家)
鐵桿木蟲 (職業(yè)作家)
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有解啊,而且有多解,用1stOpt: x9: 3.42220954625256 y9: 2.45571813538051 x5: 0.572325190945779 y5: 1.89882415216342 x4: 0.766867125542546 y4: 3.49702734189973 x8: 0.842425504313231 y8: 0.13787701311157 x10: 1.86832947679265 y10: 2.8371060346841 x6: 2.62413730345623 y6: 0.79780357326399 x9: 2.00379846551463 y9: -1.94718583951876 x5: 0.977709035682274 y5: 0.331960434717499 x4: 0.0800127923787899 y4: 1.66846387826906 x8: 1.14585276588224 y8: -1.51800519435495 x10: 0.579743284072338 y10: -1.21775672022754 x6: 2.4864683500636 y6: -0.171621201834566 |
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