matlab 解方程为何出现下面的情况啊 >> syms x y >> [y]=solve>> syms x y>> [y]=solve('x^2*0.2+y^2*0.3=1')y =0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)-0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)谁帮我下面
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![matlab 解方程为何出现下面的情况啊 >> syms x y >> [y]=solve>> syms x y>> [y]=solve('x^2*0.2+y^2*0.3=1')y =0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)-0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)谁帮我下面](/uploads/image/z/6135137-17-7.jpg?t=matlab+%E8%A7%A3%E6%96%B9%E7%A8%8B%E4%B8%BA%E4%BD%95%E5%87%BA%E7%8E%B0%E4%B8%8B%E9%9D%A2%E7%9A%84%E6%83%85%E5%86%B5%E5%95%8A+%3E%3E+syms+x+y+%3E%3E+%5By%5D%3Dsolve%3E%3E+syms+x+y%3E%3E+%5By%5D%3Dsolve%28%27x%5E2%2A0.2%2By%5E2%2A0.3%3D1%27%29y+%3D0.70710678118654752440084436210485%2A%2810.0+-+3.0%2Ay%5E2%29%5E%281%2F2%29-0.70710678118654752440084436210485%2A%2810.0+-+3.0%2Ay%5E2%29%5E%281%2F2%29%E8%B0%81%E5%B8%AE%E6%88%91%E4%B8%8B%E9%9D%A2)
matlab 解方程为何出现下面的情况啊 >> syms x y >> [y]=solve>> syms x y>> [y]=solve('x^2*0.2+y^2*0.3=1')y =0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)-0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)谁帮我下面
matlab 解方程为何出现下面的情况啊 >> syms x y >> [y]=solve
>> syms x y
>> [y]=solve('x^2*0.2+y^2*0.3=1')
y =
0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)
-0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)
谁帮我下面函数啊,解不了
[x0 y0 x1 y1 x2 y2]=solve('y1*a^2*(x1-x0)=x1*b^2*(y1-y0)','y2*c^2*(x2-x0)=x2*d^2*(y2-y0)','(y1-y0)^2+(x1-x0)^2=r^2','(y2-y0)^2+(x2-x0)^2=r^2','x1^2*b^2+y1^2*a^2=a^2*b^2','x2^2*d^2+y2^2*c^2=c^2*d^2','x0','y0','x1','y1','x2','y2')
matlab 解方程为何出现下面的情况啊 >> syms x y >> [y]=solve>> syms x y>> [y]=solve('x^2*0.2+y^2*0.3=1')y =0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)-0.70710678118654752440084436210485*(10.0 - 3.0*y^2)^(1/2)谁帮我下面
[x0 y0 x1 y1 x2 y2]=solve('y1*a^2*(x1-x0)=x1*b^2*(y1-y0)','y2*c^2*(x2-x0)=x2*d^2*(y2-y0)','(y1-y0)^2+(x1-x0)^2=r^2','(y2-y0)^2+(x2-x0)^2=r^2','x1^2*b^2+y1^2*a^2=a^2*b^2','x2^2*d^2+y2^2*c^2=c^2*d^2','x0','y0','x1','y1','x2','y2')
你求的是符号解。并且,这道题的答案有两个解