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zyy19871002

新虫 (小有名气)

[求助] 急求解

我想通过matlab积分,可是积分结果没有,这到底是怎么回事,是不是我的程序有问题啊?麻烦大神求救。
syms x
y=asin(1/4);
d=4;
L=1200;
I=1200;
A=-L*tan(y)^2*tan(x);
B=d^2+1/4*L^2*tan(y)^2-d^2*tan(y)^2*tan(x)^2;
C=B^(1/2);
D=2-2*tan(y)^2*tan(x)^2;
E=(A+2*C)/D;
F=tan(x)*E;
G=diff(F);
H=G*d*cos(y)*cos(x)^4/E^3
想对H进行积分,上下限为(0,pi/2),麻烦帮我看一下是哪里有问题。同求程序。
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