Why use this equation?
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I wonder why the equation is needed
v = (0.5 * uramp (x, 0)) - (ustep (x, 1)) - (0.5 * uramp (x, 2));
In order to graph it out as in the figure
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/357943/image.png)
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Walter Roberson
2020-9-8
That equation is not needed. There are other ways of producing the same graph.
(The other ways might be more work though.)
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