# Answer to Question #23526 in Abstract Algebra for tim

Question #23526

Find a closed form expression for the energy E of the two-sided sequence x[n]= an , for 0 < a < 1.

Verify your result in Matlab by letting a = 0.5 and computing the partial energy sum for n

= −5:5 and n = −20:20. Please show your Matlab commands in your solution.

Verify your result in Matlab by letting a = 0.5 and computing the partial energy sum for n

= −5:5 and n = −20:20. Please show your Matlab commands in your solution.

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