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diff --git a/1332/CH22/EX22.4/22_4.sce b/1332/CH22/EX22.4/22_4.sce
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+//Example 22.4
+//Hopfield Neural Network
+//Page no. 766
+clc;clear;close;
+
+A=[1,2,1;-1,1,1;1,0,-1];
+disp(inv(A),'Inverse of A =',A,'A =')
+for i=1:3
+    for j=1:3
+        k=0;
+        for l=1:3
+            k=k+A(i,l)*A(j,l)
+        end
+        T(i,j)=k;
+    end
+end
+disp(T,'T =')
+\ No newline at end of file