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diff --git a/1574/CH1/EX1.5/Signals_Ex_1_5.sce b/1574/CH1/EX1.5/Signals_Ex_1_5.sce
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+clc

+//Chapter 1 Signals

+//Example 1.5, page no 19

+//given

+T=1,t0=0,wo=2*%pi

+P=1

+t=0:0.001:1

+f=P*t

+//The trigonometric Fourier series coeff for given function

+a0=(1/T)*inttrap(t,f)

+

+for n=1:10

+    f1=(P*t).*cos(wo*n*t)

+    a(n)=(2/T)*inttrap(t,f1)

+    if a(n)<0.01 then

+        a(n)=0

+    end

+end

+for n=1:10

+    f2=(P*t).*sin(2*%pi*(1/T)*n*t)

+    b(n)=(2/T)*inttrap(t,f2)

+end

+// Displaying trigonometric Fourier series coeff

+mprintf('The value of a0 is: %f\n',a0)

+disp('The values of a(n):   (upto n=10)')

+for n=1:10

+    disp(a(n))

+end

+disp('The values of b(n):    (upto n=10)')

+for n=1:10

+    disp(b(n))

+end

+mprintf('The trigonometric Fourier series for given function\n can be written as:\n')

+mprintf('f(t)=%f%fsin(2*pi*t)%fsin(4*pi*t)\n%fsin(6*pi*t)%fsin(8*pi*t)%fsin(10*pi*t)\n%fsin(12*pi*t)%fsin(14*pi*t).......',b(1),b(2),b(3),b(4),b(5),b(6),b(7),b(8))

+