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diff --git a/1574/CH1/EX1.2/Result_of_Chapter_1_Ex1_2.JPG b/1574/CH1/EX1.2/Result_of_Chapter_1_Ex1_2.JPG
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diff --git a/1574/CH1/EX1.2/Signals_Ex_1_2.sce b/1574/CH1/EX1.2/Signals_Ex_1_2.sce
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+clc
+//Chapter1: Signals
+//Example1,page no 12
+//Given:
+// Curve on page no 9....fig 1.6
+t=0:0.1:2*%pi,t0=0,t1=2*%pi
+C=((integrate('sin(t)','t',t0,t1/2)-integrate('sin(t)','t',t1/2,t1))/integrate('(sin(t))^2','t',t0,t1))
+
+mprintf('The optimum value of C to minimise the mean square error is:\n C= %f',C)
+
+