1 files changed, 31 insertions, 31 deletions
diff --git a/40/CH10/EX10.5a/Exa_10_5a.sce b/40/CH10/EX10.5a/Exa_10_5a.sce
index 42d0cbf29..9f1e98c69 100755
--- a/40/CH10/EX10.5a/Exa_10_5a.sce
+++ b/40/CH10/EX10.5a/Exa_10_5a.sce
@@ -1,32 +1,32 @@
-//Fir low pass filter design by frequency sampling
-z=%z;
-N=10;
-magHk=[1 1 1 0 0 0 0 0 1 1];
-k=[0:7 -1 -2];
-fik=-%pi*k'*(N-1)/N;
-for i=1:length(fik)
-    H1k(i)=magHk(i)*exp(%i*fik(i));
-end
-H1n=(dft(H1k,1));
-H2k=H1k;
-H2k(3)=0.5*%e^(-%i*1.8*%pi);
-H2k(9)=0.5*%e^(%i*1.8*%pi);
-H2n=(dft(H2k,1));
-H1Z=0;H2Z=0;
-for i=1:length(H1n)
-    H1Z=H1Z+H1n(i)*z^(-i); 
-end
-for i=1:length(H2n)
-    H2Z=H2Z+H2n(i)*z^(-i); 
-end
-F=0:0.01:1;
-F1=0:0.1:0.9;
-H1F=abs(horner(H1Z,exp(%i*2*%pi*F')));
-H2F=abs(horner(H2Z,exp(%i*2*%pi*F')));
-a=gca();
-plot2d(F1,magHk);
-plot2d(F,H2F);
-plot2d(F,H1F);
-xlabel('Digital Frequency F');
-ylabel('magnitude');
+//For low pass filter design by frequency sampling
+z=%z;
+N=10;
+magHk=[1 1 1 0 0 0 0 0 1 1];
+k=[0:7 -1 -2];
+fik=-%pi*k'*(N-1)/N;
+for i=1:length(fik)
+    H1k(i)=magHk(i)*exp(%i*fik(i));
+end
+H1n=(fft(H1k,1));
+H2k=H1k;
+H2k(3)=0.5*%e^(-%i*1.8*%pi);
+H2k(9)=0.5*%e^(%i*1.8*%pi);
+H2n=(fft(H2k,1));
+H1Z=0;H2Z=0;
+for i=1:length(H1n)
+    H1Z=H1Z+H1n(i)*z^(-i); 
+end
+for i=1:length(H2n)
+    H2Z=H2Z+H2n(i)*z^(-i); 
+end
+F=0:0.01:1;
+F1=0:0.1:0.9;
+H1F=abs(horner(H1Z,exp(%i*2*%pi*F')));
+H2F=abs(horner(H2Z,exp(%i*2*%pi*F')));
+a=gca();
+plot2d(F1,magHk);
+plot2d(F,H2F);
+plot2d(F,H1F);
+xlabel('Digital Frequency F');
+ylabel('magnitude');
 xtitle('Low pass filter using frequency sampling');
 \ No newline at end of file