HS3.SIF

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* SET UP THE INITIAL DATA *
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NAME          HS3

*   Problem :
*   *********

*   Source: problem 3 in
*   W. Hock and K. Schittkowski,
*   "Test examples for nonlinear programming codes",
*   Lectures Notes in Economics and Mathematical Systems 187, Springer
*   Verlag, Heidelberg, 1981.

*   SIF input: A.R. Conn March 1990

*   classification QBR2-AN-2-0

VARIABLES

    X1
    X2

GROUPS

 N  G1        X2        1.0

 N  G2        X1        -1.0           X2        1.0
 N  G2        'SCALE'   100000.0

BOUNDS

 FR HS3       'DEFAULT'
 LO HS3       X2        0.0

START POINT

    HS3       X1        10.0
    HS3       X2        1.0

GROUP TYPE

 GV L2        GVAR

GROUP USES

 T  G2        L2

OBJECT BOUND

 LO HS3                 0.0

*   Solution

*LO SOLTN               0.0

ENDATA


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* SET UP THE GROUPS *
* ROUTINE           *
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GROUPS        HS3

INDIVIDUALS

 T  L2

 F                      GVAR * GVAR
 G                      GVAR + GVAR
 H                      2.0

ENDATA