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LCS6X

新虫 (小有名气)

最好给每个参数一个范围,不然解很容易受初始值影响,这是不同初始值的数值解。最后一组解最好。
1:-0.06600620211596803        0.0413139326353808        -0.07700817711584697        0.084557421520604        -7.828229991962709        1.6870165781696216        -0.04399940640786591
2:0.268506863148124        -0.13020432319842495        0.29583976120290506        -0.13398930803226433        2.0699283186426665        -5.637548573859698        0.16792535752917237
3:-0.09103988416698496        0.018852501329380336        -0.1014556998399403        0.02064069238911026        9.53955281148465        -8.773427973388559        -0.05299030694645057
4:-0.051026263129687166        0.009720031673103868        -0.0321320363406965        0.012967054463110285        4.874335789039356        -5.1135169355624495        0.003251494135749544
5:0.004598897609898955        0.050736366988825665        -0.04159051961457294        0.08655623850570061        -15.821159469399078        4.032321481300548        -0.03905763589686455
6:-0.015758839000930783        0.014454570532064892        -0.025587924520761973        0.016291034142447813        -2.4356943016241233        -3.277619484306281        -0.010051753753412385

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11楼2017-10-13 16:11:45
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DUT小白

铁虫 (初入文坛)

试试李天岩的同论法,hom4ps,我用过求非线性方程组,不用设置初始值

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12楼2017-10-28 15:21:33
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dingd

铁杆木虫 (职业作家)

1stOpt计算,结果基本稳定唯一:

c1: 0.00123684560760196
c2: 4.55446552422376E-18
c3: 3.73387326020038E-5
c4: -0.00119766334037261
x0: 320.878415304115
x1: 10.3099569026446
d: 0.00170583263017521
13楼2017-10-28 23:23:55
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