fmincon examples added

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diff --git a/tests/general_tests/fmincon/fmincon_logical1.sce b/tests/general_tests/fmincon/fmincon_logical1.sce
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+// Example with objective function and inequality constraints
+
+function y=fun(x)
+y=x(1)*x(1)+x(2)*x(2);
+endfunction
+
+x0 = [1,2];
+A=[1,1 ; 1,1/4 ; 1,-1 ; -1/4,-1 ; -1,-1 ; -1,1];
+b=[2;1;2;1;-1;2];
+
+//Output
+//Optimal Solution Found.
+// hessian  =
+// 
+//    2.         - 7.451D-09  
+//  - 7.451D-09    2.         
+// gradient  =
+// 
+//    1.0000000    1.  
+// lambda  =
+// 
+//   lower: [0,0]
+//   upper: [0,0]
+//   ineqlin: [9.087D-09,2.424D-08,4.546D-09,5.596D-09,1,4.544D-09]
+//   eqlin: [0x0 constant]
+//   ineqnonlin: [0x0 constant]
+//   eqnonlin: [0x0 constant]
+// output  =
+// 
+//   Iterations: 8
+//   Cpu_Time: 0.112
+//   Objective_Evaluation: 9
+//   Dual_Infeasibility: 1.299D-11
+// exitflag  =
+// 
+//  0  
+// fopt  =
+// 
+//    0.5  
+// xopt  =
+// 
+//    0.5000000  
+//    0.5000000 
+
+[xopt,fopt,exitflag,output,lambda,gradient,hessian] = fmincon (fun, x0, A, b)