From 763699f4d7dfa818588cbe245fc548513dccdfbf Mon Sep 17 00:00:00 2001
From: rainydaysavings <eliseuamaro@pm.me>
Date: Thu, 1 Oct 2020 15:59:02 +0100
Subject: [PATCH] ex1: started.

---
 DiogoEliseu_TP2_1.m | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/DiogoEliseu_TP2_1.m b/DiogoEliseu_TP2_1.m
index e69de29..816a496 100644
--- a/DiogoEliseu_TP2_1.m
+++ b/DiogoEliseu_TP2_1.m
@@ -0,0 +1,22 @@
+% Exercício 1
+impulso = zeros(1,41);
+impulso(21) = 1;
+degrau = (n>=0);
+n = -20:20;
+
+x = fun_x(n);
+figure
+stem(n, x)
+
+figure
+stem(n, impulso)
+
+figure
+stem(n, degrau)
+
+function p = fun_x(N)
+    A=1.8;
+    f=0.05;
+    phi=0.5*pi;
+    p=A*cos(2*pi*f*N+phi);
+end
\ No newline at end of file