MARATOSB.SIF

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* SET UP THE INITIAL DATA *
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NAME          MARATOSB

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

*   A variant of the Maratos problem
*   with penalty parameter = 0.000001

*   Source:
*   Ph. Toint.

*   SIF input: Ph. Toint, June 1990.

*   classification QUR2-AN-2-0

*   Penalty parameter

 RE INVP                0.000001

VARIABLES

    X1
    X2

GROUPS

 N  F         X1        1.0
 ZN C         'SCALE'                  INVP

CONSTANTS

    MARATOSB  C         1.0

BOUNDS

 FR MARATOSB  'DEFAULT'

START POINT

    MARATOSB  X1        1.1
    MARATOSB  X2        0.1

ELEMENT TYPE

 EV SQ        X

ELEMENT USES

 T  X1SQ      SQ
 V  X1SQ      X                        X1

 T  X2SQ      SQ
 V  X2SQ      X                        X2

GROUP TYPE

 GV L2        GVAR

GROUP USES

 T  C         L2
 E  C         X1SQ                     X2SQ

OBJECT BOUND

*   Solution

*LO SOLTN               1.0

ENDATA

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* SET UP THE FUNCTION *
* AND RANGE ROUTINES  *
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ELEMENTS      MARATOSB

INDIVIDUALS

 T  SQ
 F                      X * X
 G  X                   X + X
 H  X         X         2.0

ENDATA

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* SET UP THE GROUPS *
* ROUTINE           *
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GROUPS        MARATOSB

INDIVIDUALS

 T  L2
 F                      GVAR * GVAR
 G                      GVAR + GVAR
 H                      2.0

ENDATA