# Demo entry 6114004

**elen**

Submitted by **anonymous**
on Sep 30, 2016 at 08:51

Language: Matlab. Code size: 589 Bytes.

%% Ze Scales HW 1 Q6 %% part b. A = [8, 5, 2, 6, 3]; B = [2, 2, 9, 4, 7]; C = 2 * A .* B figure() stem(C) %% part c. n = -25:25; T = 0.01; x = cos(2 * pi * 5 * T * n) figure() plot(n, x) %% part d. hold on stem(n, x, 'green') %% part e. % The frequency of the sampled signal has not changed. Rather, we are % sampling for a longer amount of time. n represents the number of samples % and to convert this into a real time, we multiply by the sampling period % T. T2 = 0.02 x2 = cos(2 * pi * 5 * T2 * n) figure() plot(n, x2) hold on stem(n, x2, 'green')

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