DSP Lab 2

6th-Semester-Spring-2024/DSP/Labs/Lab-02/Lab2Question4.m

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+% 4a
+% % Define the signal
+% n = 0:50;
+% a = pi/4;
+% a^2
+% x = 5*cos(a^2 * n).*heaviside(n);
+% 
+% % Plot
+% stem(n, x);
+% xlabel('n');
+% ylabel('x(n)');
+% title('Signal x(n) = 5cos(\pi^2n/16)u(n)');
+% 4b
+% Define the signal
+A = 5;
+b = (1 + 1j) / 2;
+x = A * abs(b).^n .* heaviside(n);
+
+% Plot
+stem(n, x);
+xlabel('n');
+ylabel('x(n)');
+title('Signal x(n) = 5|b|^n u(n)');