第三题>> x=-2:4;
>> clear
>> ezplot('(x-1)^2/1+(y-1)^2/0.25=1')
>> hold
Current plot held
>> axis on
>> axis equal
>> axis([-2 4 -1 3])
>> title('椭圆方程练习')
第三题>> x=-2:4;
>> clear
>> ezplot('(x-1)^2/1+(y-1)^2/0.25=1')
>> hold
Current plot held
>> axis on
>> axis equal
>> axis([-2 4 -1 3])
>> title('椭圆方程练习')