数学建模社区-数学中国
标题:
紧急求助
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作者:
lf0539
时间:
2011-4-24 19:30
标题:
紧急求助
高手帮我检查一下这个程序哪里出错了?
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{z1, z2} = {y + a*x^6*y + b*x^5*y^2 + c*x^4*y^3 + d*x^3*y^4 +
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f*x^2*y^5 + g*x*y^6 + h*y^7, -x^7 + v*x^6*y + k*x^5*y^2 +
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l*x^4*y^3 + m*x^3*y^4 + n*x^2*y^5 + p*x*y^6 + q*y^7};
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4*y^2 + Sum[Sum[r[j, 6*i + 2 - j]*x^j*y^(8*i + 2 - j), {j, 1, 6*i + 2}], {i, 1, 11}];
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D[%, x]*z1 + D[%, y]*z2 - Sum[e[i]*x^(6*i + 2), {i, 1, 11}];
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CoefficientList[% /. {x -> x*s, y -> y*s}, s];
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Delete[Union[%], 1];
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Do[w[i] = %[[i]], {i, 1, 11}]
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Do[w[i] = CoefficientList[w[i], y] /. x -> 1, {i, 1, 11}]
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Do[t[i] =
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Solve[Table[w[i][[j]] == 0, {j, 1, 6*i + 3}],
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Union[Table[r[j, 6*i + 2 - j], {j, 1, 6*i + 2}], {e[i]}]][[
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1]], {i, 1, 11}]
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Do[Do[e[i] = Expand[e[i] /. t[i - j]], {j, 0, i - 1}], {i, 1, 11}]
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Do[f[i] = Factor[e[i + 1]], {i, 1, 10}]
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执行到
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Do[t[i] =
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Solve[Table[w[i][[j]] == 0, {j, 1, 6*i + 3}],
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Union[Table[r[j, 6*i + 2 - j], {j, 1, 6*i + 2}], {e[i]}]][[
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1]], {i, 1, 11}] 就提示出错了。高手帮忙啊!谢谢!万分感谢!
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作者:
水蜜桃まむ曦
时间:
2011-4-24 21:31
路过,看了会儿~~
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