initial commit / add all books

3 files changed, 15 insertions, 0 deletions

diff --git a/40/CH8/EX8.9c/Exa_8_9c.sce b/40/CH8/EX8.9c/Exa_8_9c.sce
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+//DFT and DFS of sinusoids

+n2=0:1/840:6/21;

+xt=4*sin(72*%pi*n2')-6*cos(12*%pi*n2');

+n=0:1/21:6/21;//F=3/12 hence N=12

+xn=4*sin(72*%pi*n')-6*cos(12*%pi*n');

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

+n1=0:6;

+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);

diff --git a/40/CH8/EX8.9c/Exa_8_9c_0.jpg b/40/CH8/EX8.9c/Exa_8_9c_0.jpg
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diff --git a/40/CH8/EX8.9c/Exa_8_9c_1.jpg b/40/CH8/EX8.9c/Exa_8_9c_1.jpg
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