diff --git a/DiogoEliseuHugo_TP2_1.m b/DiogoEliseuHugo_TP2_1.m
index 1e44f25..cac6a3d 100644
--- a/DiogoEliseuHugo_TP2_1.m
+++ b/DiogoEliseuHugo_TP2_1.m
@@ -17,12 +17,15 @@ figure
 subplot(2,2,1:2)
 x = fun_x(n);
 stem(n, x)
+title('x')
 % Plot do impulso
 subplot(2,2,3)
 stem(n, impulso)
+title('\delta')
 % Plot do degrau
 subplot(2,2,4)
 stem(n, degrau)
+title('\mu')
 
 % Definição da sequência X
 function p = fun_x(N)
diff --git a/DiogoEliseuHugo_TP2_2.m b/DiogoEliseuHugo_TP2_2.m
index ff92c09..d346680 100644
--- a/DiogoEliseuHugo_TP2_2.m
+++ b/DiogoEliseuHugo_TP2_2.m
@@ -15,12 +15,15 @@ function DiogoEliseuHugo_TP2_2(N1, N2)
     subplot(2,2,1:2)
     x = fun_x(n);
     stem(n, x)
+    title('x')
     % Plot do impulso
     subplot(2,2,3)
     stem(n, impulso)
+    title('\delta')
     % Plot do degrau
     subplot(2,2,4)
     stem(n, degrau)
+    title('\mu')
 end
 
 %% Definição da sequência X
diff --git a/DiogoEliseuHugo_TP2_4.m b/DiogoEliseuHugo_TP2_4.m
index 4517bb5..8f42645 100644
--- a/DiogoEliseuHugo_TP2_4.m
+++ b/DiogoEliseuHugo_TP2_4.m
@@ -16,9 +16,12 @@ figure
 % Plot de x1
 subplot(3,1,1)
 stem(n, x1)
+title('x1')
 % Plot de x2
 subplot(3,1,2)
 stem(n, x2)
+title('x2')
 % Plot de x3
 subplot(3,1,3)
 stem(n, x3)
+title('x3')
diff --git a/DiogoEliseuHugo_TP2_7.m b/DiogoEliseuHugo_TP2_7.m
index de350bc..d1ae20b 100644
--- a/DiogoEliseuHugo_TP2_7.m
+++ b/DiogoEliseuHugo_TP2_7.m
@@ -18,4 +18,7 @@ plot(s);
 plot(r);
 plot(x);
 hold off
-DiogoEliseuHugo_TP2_6(s, x)
+
+legend('s', 'r', 'x')
+
+title(['Erro de aproximação de x a s: ' num2str(DiogoEliseuHugo_TP2_6(s, x))])
diff --git a/DiogoEliseuHugo_TP2_8.m b/DiogoEliseuHugo_TP2_8.m
index 4319e56..5fa8fb0 100644
--- a/DiogoEliseuHugo_TP2_8.m
+++ b/DiogoEliseuHugo_TP2_8.m
@@ -37,6 +37,6 @@ plot(y5)
 
 hold off
 
-legend('s','x','y3','y5');
+legend('s', 'x', 'y3', 'y5');
 errors = ['Ex: ' num2str(DiogoEliseuHugo_TP2_6(x, s)) ' Ey3: ' num2str(DiogoEliseuHugo_TP2_6(y3, s)) ' Ey5: ' num2str(DiogoEliseuHugo_TP2_6(y5, s))];
 title(errors)