2 files changed, 84 insertions, 72 deletions
diff --git a/1592/CH1/EX1.11/Example1_11.sce b/1592/CH1/EX1.11/Example1_11.sce
index ade4e6a1a..5aefda4cd 100755
--- a/1592/CH1/EX1.11/Example1_11.sce
+++ b/1592/CH1/EX1.11/Example1_11.sce
@@ -1,38 +1,44 @@
-//Scilab Code for Example 1.11 of Signals and systems by
-//P.Ramakrishna Rao
-//displaying plots for the given signals
-clear;
-clc;
-for t=-3:1:3
-y(t+4)=abs(t+3)*u(t+3)-abs(t+1)*u(t+1)-abs(t-1)*u(t-1)+abs(t-3)*u(t-3);
-end
-t=-3:1:3;
-//for the main given signal
-a=gca();
-a.x_location="origin";
-a.y_location="origin";
-plot(t,y);
-title('Main Signal)');
-dy=0*y;
-for i=1:6
-dy(i)=(y(i+1)-y(i))/1;
-end
-//for the derivative of the given signal
-figure(1);
-a=gca();
-a.x_location="origin";
-a.y_location="origin";
-plot2d2(t,dy);
-title('Derivative of Signal');
-dy2=0*dy;
-dy2(1)=dy(1)-0;
-for i=1:6
-dy2(i+1)=(dy(i+1)-dy(i))/1;
-end
-//for the impulse response representation or second derivative
-figure(2);
-a=gca();
-a.x_location="origin";
-a.y_location="origin";
-plot2d3(t,dy2,-5);
-title('Impulse response representation');
+//Scilab Code for Example 1.11 of Signals and systems by
+//P.Ramakrishna Rao
+//displaying plots for the given signals
+clear;
+clc;
+function [y]=u(t)
+    if t>=0
+    y=1
+else y=0
+    end
+endfunction
+for t=-3:1:3
+y(t+4)=abs(t+3)*u(t+3)-abs(t+1)*u(t+1)-abs(t-1)*u(t-1)+abs(t-3)*u(t-3);
+end
+t=-3:1:3;
+//for the main given signal
+a=gca();
+a.x_location="origin";
+a.y_location="origin";
+plot(t,y);
+title('Main Signal)');
+dy=0*y;
+for i=1:6
+dy(i)=(y(i+1)-y(i))/1;
+end
+//for the derivative of the given signal
+figure(1);
+a=gca();
+a.x_location="origin";
+a.y_location="origin";
+plot2d2(t,dy);
+title('Derivative of Signal');
+dy2=0*dy;
+dy2(1)=dy(1)-0;
+for i=1:6
+dy2(i+1)=(dy(i+1)-dy(i))/1;
+end
+//for the impulse response representation or second derivative
+figure(2);
+a=gca();
+a.x_location="origin";
+a.y_location="origin";
+plot2d3(t,dy2,-5);
+title('Impulse response representation');
+\ No newline at end of file
diff --git a/1592/CH1/EX1.7/Example1_7.sce b/1592/CH1/EX1.7/Example1_7.sce
index e6f31fdfa..955fcf848 100755
--- a/1592/CH1/EX1.7/Example1_7.sce
+++ b/1592/CH1/EX1.7/Example1_7.sce
@@ -1,34 +1,40 @@
-//Scilab Code for Example 1.7 of Signals and systems by
-//P.Ramakrishna Rao
-clear;
-clc;
-n=1;
-for t=-10:0.1:10;
-    //Function for Even signal
-    y1(n)=0.5*(exp(-t)*u(t)+exp(t)*u(-t));
-    n=n+1;
-end
-a=gca();
-a.x_location="origin";
-a.y_location="origin";
-t=-10:0.1:10;
-//Plot of Even Signal
-plot(t,y1);
-title('y1(t)');
-xlabel('Time in seconds');
-n=1;
-for t=-1:0.01:1;
-    //Function for Odd signal
-    y2(n)=0.5*(exp(-t)*u(t)-exp(t)*u(-t));
-    n=n+1;
-end
-figure(1);
-a=gca();
-a.x_location="origin";
-a.y_location="origin";
-t=-1:0.01:1;
-//Plot of Odd Signal
-plot(t,y2)
-disp('plotted the signal both in even and odd forms');
-title('y2(t)');
-xlabel('Time in seconds');
+//Scilab Code for Example 1.7 of Signals and systems by
+//P.Ramakrishna Rao
+clear;
+clc;
+function [y]=u(t)
+    if t>=0
+    y=1
+else y=0
+    end
+endfunction
+n=1;
+for t=-10:0.1:10;
+    //Function for Even signal
+    y1(n)=0.5*(exp(-t)*u(t)+exp(t)*u(-t));
+    n=n+1;
+end
+a=gca();
+a.x_location="origin";
+a.y_location="origin";
+t=-10:0.1:10;
+//Plot of Even Signal
+plot(t,y1);
+title('y1(t)');
+xlabel('Time in seconds');
+n=1;
+for t=-1:0.01:1;
+    //Function for Odd signal
+    y2(n)=0.5*(exp(-t)*u(t)-exp(t)*u(-t));
+    n=n+1;
+end
+figure(1);
+a=gca();
+a.x_location="origin";
+a.y_location="origin";
+t=-1:0.01:1;
+//Plot of Odd Signal
+plot(t,y2)
+disp('plotted the signal both in even and odd forms');
+title('y2(t)');
+xlabel('Time in seconds');
+\ No newline at end of file