22 lines
388 B
Matlab
22 lines
388 B
Matlab
x=linspace(0,10,100);
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y=[];
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for x0=x
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if x0>=8
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y=[y,1];
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elseif x0>=6
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y=[y,5-x0/2];
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elseif x0>=4
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y=[y,2];
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elseif x0>=0
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y=[y,sqrt(x0)];
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end
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end
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plot(x,y);
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axis([0,10,0,2.5]);
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title('分段函数曲线');
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xlabel('Variable X');
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ylabel('Variable Y');
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text(2,1.3,'y=x^{1/2}');
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text(4.5,1.9,'y=2');
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text(7.3,1.5,'t=5-x/2');
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text(8.5,0.9,'y=1'); |