fmincon examples added

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diff --git a/tests/general_tests/fmincon/fmincon_logical7.sce b/tests/general_tests/fmincon/fmincon_logical7.sce
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+// Example with objective function using exponential input
+
+function y=fun(x)
+y=exp(x(2)*x(1));
+endfunction
+
+x0 = [1,2];
+A=[1,1 ; 1,1/4];
+b=[2;1];
+
+//Output
+//Optimal Solution Found.
+// hessian  =
+// 
+//    0.0000010  - 0.0000007  
+//  - 0.0000007    0.0000005  
+// gradient  =
+// 
+//    7.127D-08  - 5.690D-08  
+// lambda  =
+// 
+//   lower: [0,0]
+//   upper: [0,0]
+//   ineqlin: [6.963D-09,2.501D-09]
+//   eqlin: [0x0 constant]
+//   ineqnonlin: [0x0 constant]
+//   eqnonlin: [0x0 constant]
+// output  =
+// 
+//   Iterations: 15
+//   Cpu_Time: 0.132
+//   Objective_Evaluation: 16
+//   Dual_Infeasibility: 8.073D-08
+// exitflag  =
+// 
+//  0  
+// fopt  =
+// 
+//    1.500D-08  
+// xopt  =
+// 
+//  - 3.7925137  
+//    4.7501487 
+
+[xopt,fopt,exitflag,output,lambda,gradient,hessian] = fmincon (fun, x0, A, b)