• 2022-06-08
    阅读以下程序,则[img=38x19]17e0b62064f0bf1.jpg[/img]x=[4,-9,25];if x<;0disp('some of the elements of x are negative.')elsey=sqrt(x)end
    A: 2.0000 + 0.0000i 0.0000 + 3.0000i 5.0000 + 0.0000i
    B: 2.0000 3.0000 5.0000