matlab编程求解双重积分我想求解f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*cos(y)))^(1/2);对x、y的双重积分,编程如下:编写m文件:function f=fun(x,y)f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*c
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![matlab编程求解双重积分我想求解f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*cos(y)))^(1/2);对x、y的双重积分,编程如下:编写m文件:function f=fun(x,y)f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*c](/uploads/image/z/10911348-36-8.jpg?t=matlab%E7%BC%96%E7%A8%8B%E6%B1%82%E8%A7%A3%E5%8F%8C%E9%87%8D%E7%A7%AF%E5%88%86%E6%88%91%E6%83%B3%E6%B1%82%E8%A7%A3f%3Da%2Ab%2Acos%28x-y%29%2F%28a%5E2%2Bb%5E2%2Bd%5E2-2%2Aa%2Ab%2Acos%28x-y%29%2B2%2Al%2A%28a%2Acos%28x%29-b%2Acos%28y%29%29%29%5E%281%2F2%29%3B%E5%AF%B9x%E3%80%81y%E7%9A%84%E5%8F%8C%E9%87%8D%E7%A7%AF%E5%88%86%2C%E7%BC%96%E7%A8%8B%E5%A6%82%E4%B8%8B%EF%BC%9A%E7%BC%96%E5%86%99m%E6%96%87%E4%BB%B6%EF%BC%9Afunction+f%3Dfun%28x%2Cy%29f%3Da%2Ab%2Acos%28x-y%29%2F%28a%5E2%2Bb%5E2%2Bd%5E2-2%2Aa%2Ab%2Acos%28x-y%29%2B2%2Al%2A%28a%2Acos%28x%29-b%2Ac)
matlab编程求解双重积分我想求解f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*cos(y)))^(1/2);对x、y的双重积分,编程如下:编写m文件:function f=fun(x,y)f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*c
matlab编程求解双重积分
我想求解f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*cos(y)))^(1/2);对x、y的双重积分,编程如下:
编写m文件:
function f=fun(x,y)
f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*cos(y)))^(1/2);
命令窗口中:
a=50;
b=10;
d=2;
l=0;
Q=dblquad('fun',0,2*pi,0,2*pi);
结果有错误,本人菜鸟求指点.
matlab编程求解双重积分我想求解f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*cos(y)))^(1/2);对x、y的双重积分,编程如下:编写m文件:function f=fun(x,y)f=a*b*cos(x-y)/(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*c
a=50;b=10;d=2;l=0;
f=inline('a*b*cos(x-y)./(a^2+b^2+d^2-2*a*b*cos(x-y)+2*l*(a*cos(x)-b*cos(y))).^(1/2)','x','y');
Q=dblquad(f,0,2*pi,0,2*pi)
Q=39.9838