initial commit / add all books

1 files changed, 13 insertions, 0 deletions

diff --git a/149/CH10/EX10.4/ques4.sce b/149/CH10/EX10.4/ques4.sce
new file mode 100755
index 000000000..ca427a584
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+++ b/149/CH10/EX10.4/ques4.sce
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+//ques4

+clc

+disp('finding the fourier series of given function');

+syms  x l

+ao=1/l*integ(exp(-1*x),x,-l,l);

+s=ao/2

+n=input('enter the no of terms upto each of sin or cos terms in the expansion : ');

+for i=1:n

+  ai=1/l*integ(exp(-x)*cos(i*%pi*x/l),x,-l,l);

+  bi=1/l*integ(exp(-x)*sin(i*%pi*x/l),x,-l,l);

+  s=s+float(ai)*cos(i*%pi*x/l)+float(bi)*sin(i*%pi*x/l);

+end

+disp(float(s));