Why does my graph plot show a horizontal line?

9 次查看（过去 30 天）

XH K 2019-11-15

评论： XH K 2019-11-15

My Matlab ver is 2017b

I want to get rid of that horizontal line or at least know what it meant.

This is my code.

    figure
    plot(num(:,8),num(:,10)) 
    title('xyz');
    xlabel('x');
    ylabel('y');
    grid on;
   

Alex Mcaulley 2019-11-15

I guess that your last 'x' value is 0 (and the previous one is ~21), then you obtain the horizontal line

XH K 2019-11-15

oh yes.. thanks. I see it now. I didnt realised the line is connected to the last value.

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