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diff --git a/exam.sce b/exam.sce
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+function y = fun(x) 
+  y = 3*x(1)^2 + 2*x(1)*x(2) + x(2)^2 - 4*x(1) + 5*x(2) ;
+endfunction
+
+[xval, fval, status, gradient, hessian] = intfminunc(fun,[1 2],[2])
+
+x1 = [0,-5];
+x2 = [4,4];
+
+[xval, fval, status, gradient, hessian] = intfminbnd(fun,[1],x1,x2)
+
+		//Find x in R^6 such that it minimizes:
+	    //f(x)= sin(x1) + sin(x2) + sin(x3) + sin(x4) + sin(x5) + sin(x6)
+		//-2 <= x1,x2,x3,x4,x5,x6 <= 2
+	    //Objective function to be minimised
+	    function y=f(x)
+			y=0
+			for i =1:6
+				y=y+sin(x(i));
+			end	
+		endfunction
+		//Variable bounds  
+		x1 = [-2, -2, -2, -2, -2, -2];
+	  x2 = [2, 2, 2, 2, 2, 2];
+    intcon = [];
+		//Options
+		[x,fval] =intfminbnd(f ,intcon, x1, x2)