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Which method is close to a graphical method for discrete time convolution?

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in Signals and Systems by (1.2m points)
Which method is close to a graphical method for discrete time convolution?

(a) Matrix method only

(b) Tabular method

(c) Tabular method and matrix method

(d) Summation method

The question was asked in an interview.

Enquiry is from Discrete Time Convolution topic in division Time-Domain Analysis of CT Systems of Signals and Systems

1 Answer

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by (42.1k points)
Correct choice is (b) Tabular method

To explain I would say: Tabular method is close to graphical method for discrete time convolution except that tabular representation of sequences is employed instead of graphical representation. Here every input is folded and shifted ad represented by a row.

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