How to plot this equation of unit step function

I have plotted this equation by hand i just want to see how matlab plots it
y[n]= u[n-1]-u[n-2]-u[n-3]+u[n-4]
plz tell me how to write its code

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Walter Roberson
Walter Roberson 2011 年 10 月 11 日

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It will not look like much of anything, seeing as the left side deals exclusively with "y" and the right side deals exclusively with "u".

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Walter Roberson
Walter Roberson 2011 年 10 月 11 日
You will need 3 given values in order to be able to plot this; e.g., u[0], u[1], u[2]

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2011 年 10 月 11 日

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