initial commit / add all books

2 files changed, 36 insertions, 0 deletions

diff --git a/162/CH2/EX2.2/example22.png b/162/CH2/EX2.2/example22.png
new file mode 100755
index 000000000..0b94c052e
--- /dev/null
+++ b/162/CH2/EX2.2/example22.png
diff --git a/162/CH2/EX2.2/example22.sce b/162/CH2/EX2.2/example22.sce
new file mode 100755
index 000000000..03deaecb4
--- /dev/null
+++ b/162/CH2/EX2.2/example22.sce
@@ -0,0 +1,36 @@
+clear ;

+close;

+clc;

+T0=4;

+t=.01:0.01:2*T0;

+t_temp=0.01:0.01:T0/2;

+s=length(t)/length(t_temp);

+x=[];

+for i=1:s

+    if modulo(i,2)==0 then

+        x=[x zeros(1,length(t_temp))];

+    else

+        x=[x ones(1,length(t_temp))];

+    end

+end

+a=gca();

+plot(t,x)

+poly1=a.children.children;

+poly1.thickness=3;

+poly1.foreground=2;

+xtitle('x(t)','t')

+w0=%pi/2;

+for k=1:5

+    cc(k,:)=exp(-%i*k*w0*t);

+    ck(k)=x*cc(k,:)'/length(t);

+    if abs(ck(k))<0.01 then

+    ck(k)=0;

+    else if imag(ck(k))<0.01 then

+    ck(k)=real(ck(k));

+    end

+    end

+   

+end 

+a=2*real(ck);

+b=2*imag(ck);

+disp(b,'bn=');
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