matlab怎么写约束条件:常值=x+yx=linspace(1,20,50);y=linspace(1,20,50);[xx,yy]= meshgrid (x,y);(xx+yy=常值)zz=2.*xx.*yy./(xx+yy);surf(xx,yy,zz)
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![matlab怎么写约束条件:常值=x+yx=linspace(1,20,50);y=linspace(1,20,50);[xx,yy]= meshgrid (x,y);(xx+yy=常值)zz=2.*xx.*yy./(xx+yy);surf(xx,yy,zz)](/uploads/image/z/5348019-3-9.jpg?t=matlab%E6%80%8E%E4%B9%88%E5%86%99%E7%BA%A6%E6%9D%9F%E6%9D%A1%E4%BB%B6%EF%BC%9A%E5%B8%B8%E5%80%BC%3Dx%2Byx%3Dlinspace%281%2C20%2C50%29%3By%3Dlinspace%281%2C20%2C50%29%3B%5Bxx%2Cyy%5D%3D+meshgrid+%28x%2Cy%29%3B%EF%BC%88xx%2Byy%3D%E5%B8%B8%E5%80%BC%EF%BC%89zz%3D2.%2Axx.%2Ayy.%2F%28xx%2Byy%29%3Bsurf%28xx%2Cyy%2Czz%29)
matlab怎么写约束条件:常值=x+yx=linspace(1,20,50);y=linspace(1,20,50);[xx,yy]= meshgrid (x,y);(xx+yy=常值)zz=2.*xx.*yy./(xx+yy);surf(xx,yy,zz)
matlab怎么写约束条件:常值=x+y
x=linspace(1,20,50);
y=linspace(1,20,50);
[xx,yy]= meshgrid (x,y);
(xx+yy=常值)
zz=2.*xx.*yy./(xx+yy);
surf(xx,yy,zz)
matlab怎么写约束条件:常值=x+yx=linspace(1,20,50);y=linspace(1,20,50);[xx,yy]= meshgrid (x,y);(xx+yy=常值)zz=2.*xx.*yy./(xx+yy);surf(xx,yy,zz)
WPS自动升级为2013了,那2012怎么卸载?
x = linspace(1,20,50);
y = linspace(1,20,50);
[xx,yy] = meshgrid(x,y);
c_value = 10; % 定义常数值,这里设为10
xy = (xx+yy==c_value); % 计算出逻辑数值
zz = 2.*xx.*yy./(xx+y...
全部展开
x = linspace(1,20,50);
y = linspace(1,20,50);
[xx,yy] = meshgrid(x,y);
c_value = 10; % 定义常数值,这里设为10
xy = (xx+yy==c_value); % 计算出逻辑数值
zz = 2.*xx.*yy./(xx+yy).*xy; % 多乘以一个逻辑数值,留下想要位置的数值
surf(xx,yy,zz); % 最后的结果是一个平面
收起
x=linspace(1,20,50);
y=100-x;
[xx,yy]= meshgrid (x,y);
zz=2.*xx.*yy./(xx+yy);
surf(xx,yy,zz)
按上面语句试试