Warning: Explicit integral could not be found. 求高手解答int()定积分问题syms Dd Dd0 x y z Wn theta Ue Ve n s p qDd0=10^(-3);Wn=((2*n+1).*pi.*x.*Dd0)/(3.6);Dd=Dd0.*tanh(1.76.*sqrt((1/x)-1));Ue=sqrt((1+sqrt(1+(Dd^2.*(sin(2.*theta)).^2)./(Wn.
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 03:50:31
![Warning: Explicit integral could not be found. 求高手解答int()定积分问题syms Dd Dd0 x y z Wn theta Ue Ve n s p qDd0=10^(-3);Wn=((2*n+1).*pi.*x.*Dd0)/(3.6);Dd=Dd0.*tanh(1.76.*sqrt((1/x)-1));Ue=sqrt((1+sqrt(1+(Dd^2.*(sin(2.*theta)).^2)./(Wn.](/uploads/image/z/12552510-30-0.jpg?t=Warning%3A+Explicit+integral+could+not+be+found.+%E6%B1%82%E9%AB%98%E6%89%8B%E8%A7%A3%E7%AD%94int%28%29%E5%AE%9A%E7%A7%AF%E5%88%86%E9%97%AE%E9%A2%98syms+Dd+Dd0+x+y+z+Wn+theta+Ue+Ve+n+s++p+qDd0%3D10%5E%28-3%29%3BWn%3D%28%282%2An%2B1%29.%2Api.%2Ax.%2ADd0%29%2F%283.6%29%3BDd%3DDd0.%2Atanh%281.76.%2Asqrt%28%281%2Fx%29-1%29%29%3BUe%3Dsqrt%28%281%2Bsqrt%281%2B%28Dd%5E2.%2A%28sin%282.%2Atheta%29%29.%5E2%29.%2F%28Wn.)
Warning: Explicit integral could not be found. 求高手解答int()定积分问题syms Dd Dd0 x y z Wn theta Ue Ve n s p qDd0=10^(-3);Wn=((2*n+1).*pi.*x.*Dd0)/(3.6);Dd=Dd0.*tanh(1.76.*sqrt((1/x)-1));Ue=sqrt((1+sqrt(1+(Dd^2.*(sin(2.*theta)).^2)./(Wn.
Warning: Explicit integral could not be found. 求高手解答int()定积分问题
syms Dd Dd0 x y z Wn theta Ue Ve n s p q
Dd0=10^(-3);
Wn=((2*n+1).*pi.*x.*Dd0)/(3.6);
Dd=Dd0.*tanh(1.76.*sqrt((1/x)-1));
Ue=sqrt((1+sqrt(1+(Dd^2.*(sin(2.*theta)).^2)./(Wn.^2)))/2);
Ve=sqrt((1-sqrt(1+(Dd^2.*(sin(2.*theta)).^2)./(Wn.^2)))/2);
p=(Dd^2.*(sin(2.*theta)).^2.*exp(-2.*Wn.*cos(theta).*0.1));
q=sqrt(Wn.^2+Dd.^2.*(sin(2.*theta)).^2).*(Ue.^4+Ve.^4.*exp(-4.*Wn.*cos(theta).*0.1));
z=p./q;
s=int(z,theta,-pi/2,pi/2);
Warning: Explicit integral could not be found.
Warning: Explicit integral could not be found. 求高手解答int()定积分问题syms Dd Dd0 x y z Wn theta Ue Ve n s p qDd0=10^(-3);Wn=((2*n+1).*pi.*x.*Dd0)/(3.6);Dd=Dd0.*tanh(1.76.*sqrt((1/x)-1));Ue=sqrt((1+sqrt(1+(Dd^2.*(sin(2.*theta)).^2)./(Wn.
就是matlab 没法求出你这个式子的公式解,估计你只能算数值的了 (theta没有赋值,应该没看错吧)