initial commit / add all books

3 files changed, 15 insertions, 0 deletions

diff --git a/40/CH8/EX8.9d/Exa_8_9d.sce b/40/CH8/EX8.9d/Exa_8_9d.sce
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+//DFT and DFS of sinusoids

+n2=0:1/2400:23/240;

+xt=1+4*sin(120*%pi*n2')+4*sin(40*%pi*n2');

+n=0:1/240:23/240;//F=9/32 hence N=32

+xn=1+4*sin(120*%pi*n')+4*sin(40*%pi*n');

+XDFT=abs(dft(xn,-1));

+n1=0:23;

+a=gca();

+a.x_location="origin";

+plot2d(n2,xt);

+plot2d3('gnn',n,xn);

+xset('window',1);

+b=gca();

+b.x_location="origin";

+plot2d3('gnn',n1,XDFT);
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diff --git a/40/CH8/EX8.9d/Exa_8_9d_1.jpg b/40/CH8/EX8.9d/Exa_8_9d_1.jpg
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diff --git a/40/CH8/EX8.9d/exa_8_9d_0.jpg b/40/CH8/EX8.9d/exa_8_9d_0.jpg
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