Professor teaching us about convolution

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Convolution can be solved without graphing by focusing on the mathematical process of point-by-point multiplication and summation of functions. Understanding how to handle unit step functions is crucial in convolution problems, as they can affect the limits of integration. Using software like MATLAB can streamline the computation process for convolutions. The professor's graphical approach aims to illustrate these steps visually. Mastering the underlying equations is essential for effective problem-solving in convolution.
DmytriE
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I'm in class watching my professor teaching us about convolution. However, he keeps doing this by creating graphs and stuff. Is there a method through which I can solve convolution problems without having to draw the graphs?
 
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A more general question is how do I treat unit step functions in a convolution problem?
 
Solve the equations, which is generally a point by point multiplication and summing process. I assume that is what the professor is doing, trying to illustrate the steps.

Or, use MATLAB :)

I don't understand your second question.
 

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