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📄 series expansion.nb

📁 一个mathematica求级数展开的代码
💻 NB
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          Complex[ 6855.7481462870082, .62390121144707655*^-17], 
          Complex[ 119735516.89340556, .61497822369193774*^-14], 
          Complex[ 9788099.7545628138, .26057023205794394*^-9], 
          Complex[ -6513036777181397.0, -14.098861053155924]}, 0, 4, 1]}, 0, 
        4, 1],
      Editable->False]], "Output"]
}, Open  ]],

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    \(f1 = %74 + %75 + %76 + %77\)], "Input"],

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                      4.580754178751256`*^-17\ \[ImaginaryI])\)\ l\^2\), 
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                      3.854286461914867`*^-16\ \[ImaginaryI])\)\ l\^3\), "+", 
                
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                      4.440892098500626`*^-16\ \[ImaginaryI])\)\ l\^2\), 
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                      1.00768460416234`*^-15\ \[ImaginaryI])\)\ l\^3\), "+", 
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                Complex[ 39215302.437326014, .100768460416234*^-14]}, 0, 4, 
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                      0.`\ \[ImaginaryI])\)\ l\^2\), 
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                      56.395444844677414`\ \[ImaginaryI])\)\ l\^3\), "+", 
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                Complex[ -26052147166047132.0, -56.395444844677414]}, 0, 4, 
                1],
              Editable->False], ")"}], " ", \(k\^3\)}], "+", 
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          Complex[ -.52430095820725931*^-8, -.11426629610736494*^-16], 
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          Complex[ .056877702465499169, .2076324842402369*^-16]}, 0, 4, 1], 
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    \(t5Fp = \ \ Series[
        Fp[k + l, k + l, 0.0, 0.0, k, k, l, l]\ fm[k + l, k + l] 
          fa[l, l]\ fa[k, k], {k, 0, 3}, {l, 0, 3}]\), "\n", 
    \(t6Fp = 
      Series[\(-Fp[\(-k\), \(-k\), \(-l\), \(-l\), \(-k\) - l, \(-k\) - l, 
              0.0, 0.0]\)\ fa[k + l, k + l]\ fm[l, l]\ fm[k, k], {k, 0, 
          3}, {l, 0, 3}]\), "\n", 
    \(t7Fp = 
      Series[\ Fp[\(-l\), \(-l\), 0.0, 0.0, k, k, \(-k\) - l, \(-k\) - l]\ fa[
            k + l, k + l]\ fm[l, l]\ fa[k, k], {k, 0, 3}, {l, 0, 
          3}]\ \), "\n", 
    \(t8Fp = 
      Series[\(-Fp[\(-k\), \(-k\), k + l, k + l, l, l, 0.0, 0.0]\)\ fm[k + l, 
            k + l] fa[l, l]\ fm[k, k], {k, 0, 3}, {l, 0, 
          3}]\), "\[IndentingNewLine]", 
    \(t9Fp = 
      Series[\ Fp[\(-k\), \(-k\), 0.0, 0.0, \(-k\) - l, \(-k\) - l, l, l]\ fa[
            k + l, k + l] fa[l, l]\ fm[k, k], {k, 0, 3}, {l, 0, 
          3}]\ \), "\n", 
    \(t10Fp = 
      Series[\(-Fp[k + l, k + l, \(-l\), \(-l\), k, k, 0.0, 0.0]\)\ fm[k + l, 
            k + l] fm[l, l]\ fa[k, k], {k, 0, 3}, {l, 0, 3}]\)}], "Input"],

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                    1.4040320454934303`*^-22\ \[ImaginaryI])\)\ l\^2\), 
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- 8.863352760068999`*^-18\ \[ImaginaryI])\)\ l\^2\), 
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                      2.6071739773060425`*^-10\ \[ImaginaryI])\)\ l\^3\), "+",
                 
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