updated the code

1 files changed, 33 insertions, 28 deletions

diff --git a/1592/CH9/EX9.5/example_9_5.sce b/1592/CH9/EX9.5/example_9_5.sce
index 4e148ec35..7919c5b59 100755
--- a/1592/CH9/EX9.5/example_9_5.sce
+++ b/1592/CH9/EX9.5/example_9_5.sce
@@ -1,28 +1,33 @@
-//Scilab Code for Example 9.5 of Signals and systems by

-//P.Ramakrishna Rao

-clc;

-clear;

-clear z x y t T;

-n=1;

-for t=-10:0.01:10;

-    x(n)=exp(-t)*u(t);

-    n=n+1;

-end

-t=-10:0.01:10;

-plot(t,x);

-title('x(t)');

-n=1;

-for T=-10:0.1:0;

-    z(n)=integrate('exp(-t)*exp(T-t)','t',0,1000);

-    n=n+1;

-end

-n=1;

-for T=0.1:0.1:10;

-    z(n+101)=integrate('exp(-t)*exp(T-t)','t',T,1000);

-    n=n+1;

-end

-figure(1);

-T=-10:0.1:10;

-plot(T,z);

-title('Rxx(T)');

-xlabel('t in seconds');

+//Scilab Code for Example 9.5 of Signals and systems by
+//P.Ramakrishna Rao
+clc;
+clear;
+function [y]=u(t)
+    if t>=0
+    y=1
+else y=0
+    end
+endfunction
+n=1;
+for t=-10:0.01:10;
+    x(n)=exp(-t)*u(t);
+    n=n+1;
+end
+t=-10:0.01:10;
+plot(t,x);
+title('x(t)');
+n=1;
+for T=-10:0.1:0;
+    z(n)=integrate('exp(-t)*exp(T-t)','t',0,1000);
+    n=n+1;
+end
+n=1;
+for T=0.1:0.1:10;
+    z(n+101)=integrate('exp(-t)*exp(T-t)','t',T,1000);
+    n=n+1;
+end
+figure(1);
+T=-10:0.1:10;
+plot(T,z);
+title('Rxx(T)');
+xlabel('t in seconds');
\ No newline at end of file