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xiashaoyan

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FMStation

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CODE:
function ff(xmin,xmax,fx)
    clf;
    xx=linspace(xmin,xmax);     yy=xx;
    [x,y]=meshgrid(xx,yy);
    z=eval(fx);     z=(z<=0);
    plot3(x,y,z);     view(-45,3);
    title(fx);     xlabel('x');    ylabel('y');    zlabel('z');    grid on;    axis tight;
end

f3(-6,6,'(x-1).^2-(y-1).^2-1')

5Â¥2018-06-05 08:16:55
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2Â¥2018-05-31 18:17:28
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cjf0826

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3Â¥2018-06-01 23:53:25
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ayismas

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R language, Python,µÈµÈ¶¼¿ÉÒÔ

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