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diff --git a/1332/CH5/EX5.7/5_7.pdf b/1332/CH5/EX5.7/5_7.pdf
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diff --git a/1332/CH5/EX5.7/5_7.sce b/1332/CH5/EX5.7/5_7.sce
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+//Example 5.7
+//Aitkens Method
+//Page no. 161
+clc;clear;close;
+deff('x=f(x)','x=exp(-x)')
+printf('n\tx0\t\tx1\t\tx2\t\tx3\t\ty\t\tdx0\n')
+printf('-----------------------------------------------------------------------------------------------------\n')
+x0=0.5;e=0.0001
+for i=1:3
+    x1=f(x0);x2=f(x1);x3=f(x2);
+    y=x3-((x3-x2)^2)/(x3-2*x2+x1)
+    dx0=y-x0;
+    
+    printf(' %i\t%.10f\t%.10f\t%.10f\t%.10f\t%.10f\t%.10f\n',i,x0,x1,x2,x3,y,dx0)
+    x0=y;
+    if abs(x0)<e then
+        break;
+    end
+end
+printf('\n\nThe solution of this equation after %i Iterations is %.10f',i,y)
+\ No newline at end of file