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lxy6522
2009-04-30, 11:13
源程序在附件中,做一个积分运算,并作图,但显示无法计算,请各位帮忙!!

d = 30;
Subscript[n, 1] = 1.51; Subscript[n, 2] = 1.33;
\[Lambda] = 0.8;
k = (2*\[Pi])/\[Lambda];
x = 0;
l = 3000;
f = 130;
\[CapitalOmega] = ArcTan[(0.5*l)/f];
Subscript[\[Phi], 2] =
ArcSin[Subscript[n, 1]/Subscript[n, 2]*Sin[Subscript[\[Phi], 1]]];
Subscript[\[Tau], s] =
1 + (Subscript[n, 1]*Cos[Subscript[\[Phi], 1]] -
Subscript[n, 2]*Cos[Subscript[\[Phi], 2]])/(
Subscript[n, 1]*Cos[Subscript[\[Phi], 1]] +
Subscript[n, 2]*Cos[Subscript[\[Phi], 2]]);
Subscript[\[Tau], p] =
1 - (Subscript[n, 2]*Cos[Subscript[\[Phi], 1]] -
Subscript[n, 1]*Cos[Subscript[\[Phi], 2]])/(
Subscript[n, 2]*Cos[Subscript[\[Phi], 1]] +
Subscript[n, 1]*Cos[Subscript[\[Phi], 2]]);
\[CapitalPhi] = -k*
d*(Subscript[n, 1]*Cos[Subscript[\[Phi], 1]] -
Subscript[n, 2]*Cos[Subscript[\[Phi], 2]]);
I[y_, z_] = \!\(
\*SubsuperscriptBox[\(\[Integral]\), \(0\), \(\[CapitalOmega]\)]\(
\*SqrtBox[\(Cos[
\*SubscriptBox[\(\[Phi]\), \(1\)]]\)]*Sin[
\*SubscriptBox[\(\[Phi]\), \(1\)]]*Exp[\(-I\)*d*k*\((
\*SubscriptBox[\(n\), \(1\)]*Cos[
\*SubscriptBox[\(\[Phi]\), \(1\)]] -
\*SubscriptBox[\(n\), \(2\)]*Cos[
\*SubscriptBox[\(\[Phi]\), \(2\)]])\)]*\((
\*SubscriptBox[\(\[Tau]\), \(s\)] +
\*SubscriptBox[\(\[Tau]\), \(p\)]*Cos[
\*SubscriptBox[\(\[Phi]\), \(2\)]])\)*BesselJ[0, k*
\*SubscriptBox[\(n\), \(1\)]*
\*SqrtBox[\(
\*SuperscriptBox[\(x\), \(2\)] +
\*SuperscriptBox[\(y\), \(2\)]\)]*Sin[
\*SubscriptBox[\(\[Phi]\), \(1\)]]]*Exp[I*\[CapitalPhi] + I*k*
\*SubscriptBox[\(n\), \(2\)]*z*Cos[
\*SubscriptBox[\(\[Phi]\), \(2\)]]] \[DifferentialD]
\*SubscriptBox[\(\[Phi]\), \(1\)]\)\);
ContourPlot[I[y, z], {y, -10, 10}, {z, -20, 20}];

运行显示无法计算,还请各位帮忙,谢谢!



SeriesData::csa: Argument <<7>>+(<<1>>)^2 (<<1>>) in \
ComposeSeries[<<7>>+<<1>>^2 (<<1>>),<<18>> y+<<1>>-<<18>> <<1>> y] is \
not a power series. More\[Ellipsis]

SeriesData::csa: Argument (<<160>>+<<1>>)/y^6 in \
ComposeSeries[(<<160>>+<<1>>)/y^6,<<1>>] is not a power series. More\
\[Ellipsis]

SeriesData::csa: Argument (<<160>>+<<1>>)/y^6 in \
ComposeSeries[(<<160>>+<<1>>)/y^6,<<1>>] is not a power series. More\
\[Ellipsis]

General::stop: Further output of SeriesData::csa will be suppressed \
during this calculation. More\[Ellipsis]

lxy6522
2009-05-02, 14:19
自己顶一下,附件中为程序,刚到咱们论坛,程序不知怎么上传合适,还请各位帮忙!!