How to change a function within a loop at certain point in MATLAB
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I have this piece of code:
x=0:20000;
h0=10;
alfa0=-0.1*pi/180;
h=h0+tan(alfa0).*x+10^(-6)*-0.4.*x.^2/(2*(cos(alfa0)^2));
Now, when executed it gives me this graph which shows that h is decreasing as x is increasing. ![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/275358/image.jpeg)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/275358/image.jpeg)
I would like Matlab to stop when h gets to 0, and then use a different function for h. Let's say
h=2.*x
so we have an actual example.
I tried some stuff with while loops and if statements, but I am getting nowhere. Thanks for the help.
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