initial commit / add all books

1 files changed, 19 insertions, 0 deletions

diff --git a/149/CH10/EX10.16/ques15_16_17.sce b/149/CH10/EX10.16/ques15_16_17.sce
new file mode 100755
index 000000000..315e16813
--- /dev/null
+++ b/149/CH10/EX10.16/ques15_16_17.sce
@@ -0,0 +1,19 @@
+//error

+//ques15,16,17

+//yo=[1.98 1.30 1.05 1.30 -0.88 -.25 1.98]

+//x0=[0 1/6 1/3 1/2 2/3 5/6 1]

+disp('Practical harmonic analysis');

+syms x T

+xo=input('Input xo matrix (in factor of T) : ');

+yo=input('Input yo matrix : ');

+ao=2*sum(yo)/length(xo);

+s=ao/2;

+n=input('No of sin or cos term in expansion : ');

+ i=1

+  an=2*(yo.*cos(i*xo*2*%pi))/length(yo);

+  bn=2*(yo.*sin(i*xo*2*%pi))/length(yo);

+  s=s+float(an)*cos(i*x*2*%pi/T)+float(bn)*sin(i*x*2*%pi/T);

+    

+  disp(s);

+  disp('Direct current :');

+ i=sqrt(an^2+bn^2);