下列哪条语句是正确的()A、[12;34];B=[3;7];A.*B;B、A=cell(2,3);A(1,2)=[4;5]C、A=[2357;9461;7325];B=[17;05];A(2:end,2:2:end)D、x=-5:5;y=-5:5;z=x.*x-y.*y;surf(x,y,z)

下列哪条语句是正确的()

  • A、[12;34];B=[3;7];A.*B;
  • B、A=cell(2,3);A(1,2)=[4;5]
  • C、A=[2357;9461;7325];B=[17;05];A(2:end,2:2:end)
  • D、x=-5:5;y=-5:5;z=x.*x-y.*y;surf(x,y,z)

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