带参数上下限的参数方程积分
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用matlab做了求解参数方程,然后对这个参数方程求反函数,再对反函数积分,这里提醒错误是积分范围必须为双精度或单精度标量。
是integral不能用于含参数的积分上下限吗?
具体代码如下:
syms h x c1 c2 a b d g q
eq1=c1*cos(a*d/2)+c2*sin(a*d/2)-d==0;
eq2=c2*a*cos(a*d/2)-c1*a*sin(a*d/2)-cot(b)==0;
[c1,c2]=solve(eq1,eq2,c1,c2)
h=c1*cos(a*x)+c2*sin(a*x);
g=finverse(h);
q=integral(@(x) g,c1,d,x)
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