![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/279511/image.png)
How I draw partial function?
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hi, everyone I want to plot partial function like these code:
clear,clc
x1=2:.01:6;
x2=4:.01:8;
y1=(2*(x1+1)-6)+(-2*(x2+1)+14);
y2=(2*(x1-1)-6)+(-2*(x2-1)+14);
x=[x1 x2];
y=[y1 y2];
x_line=0:.01:8;
y_line=0*x_line;
% h is assumed to be 4 and l is assumed to be 8.
figure(1)
plot(x,y,'r',x_line,y_line,'--k','linewidth',2)
axis([0 8 -6 6])
title('Initial Shape of f(x)')
xlabel('length')
ylabel('h')
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/279428/image.png)
but, i cannot following
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/279429/image.png)
thanks a lot
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