Matlab 单叶双曲线 总是画不出图!x1=-10:0.2:10;y1=x1;[x,y]=meshgrid(x1,y1);a=1;b=1;c=1;z1=sqrt(c.^2*(x.^2/(a.^2)+y.^2/(b.^2)-1));z2=-sqrt(c.^2*(x.^2/(a.^2)+y.^2/(b.^2)-1));mesh(x,y,z1)hold on;mesh(x,y,z2)-------------------------------------
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![Matlab 单叶双曲线 总是画不出图!x1=-10:0.2:10;y1=x1;[x,y]=meshgrid(x1,y1);a=1;b=1;c=1;z1=sqrt(c.^2*(x.^2/(a.^2)+y.^2/(b.^2)-1));z2=-sqrt(c.^2*(x.^2/(a.^2)+y.^2/(b.^2)-1));mesh(x,y,z1)hold on;mesh(x,y,z2)-------------------------------------](/uploads/image/z/10903121-17-1.jpg?t=Matlab+%E5%8D%95%E5%8F%B6%E5%8F%8C%E6%9B%B2%E7%BA%BF+%E6%80%BB%E6%98%AF%E7%94%BB%E4%B8%8D%E5%87%BA%E5%9B%BE%21x1%3D-10%3A0.2%3A10%3By1%3Dx1%3B%5Bx%2Cy%5D%3Dmeshgrid%28x1%2Cy1%29%3Ba%3D1%3Bb%3D1%3Bc%3D1%3Bz1%3Dsqrt%28c.%5E2%2A%28x.%5E2%2F%28a.%5E2%29%2By.%5E2%2F%28b.%5E2%29-1%29%29%3Bz2%3D-sqrt%28c.%5E2%2A%28x.%5E2%2F%28a.%5E2%29%2By.%5E2%2F%28b.%5E2%29-1%29%29%3Bmesh%28x%2Cy%2Cz1%29hold+on%3Bmesh%28x%2Cy%2Cz2%29-------------------------------------)
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