关于2重积分被积函数带有2个参数,画出关于参数的三维图
syms x1 x2;n1=2*0.3/0.01;
n2=2*0.4/0.01;
=meshgrid(-3:0.033:-3,-4:0.033:-4);
Q=@(x,y)dblquad(@(x1,x2)0.09*cos(x1-x2)./(sqrt(0.3*(cos(x1)-cos(x2)).^2+(x+0.3*sin(x1)-0.3*sin(x2)).^2+y.^2)),0,2*pi,0,2*pi);
mesh(x,y,Q)
为什么出现错误,求指教 help mesh!
还有提醒下, 求助完整格式:出错代码和出错提示
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