HS10.SIF

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* SET UP THE INITIAL DATA *
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NAME          HS10

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

*   Source: problem 10 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 LQR2-AN-2-1

VARIABLES

    X1
    X2

GROUPS

 N  OBJ       X1        1.0            X2        -1.0

 G  CON1

CONSTANTS

    HS10      CON1      -1.0

BOUNDS

 FR HS10      'DEFAULT'

START POINT

    HS10      X1        -10.0
    HS10      X2        10.0

ELEMENT TYPE

 EV 2PROD     V1                       V2
 EV SQ        V1

ELEMENT USES

 T  E1        SQ
 V  E1        V1                       X1

 T  E2        2PROD
 V  E2        V1                       X1
 V  E2        V2                       X2

 T  E3        SQ
 V  E3        V1                       X2

GROUP USES

 E  CON1      E1        -3.0           E2        2.0
 E  CON1      E3        -1.0

OBJECT BOUND

*   Solution

*LO SOLTN               -1.0

ENDATA

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* SET UP THE FUNCTION *
* AND RANGE ROUTINES  *
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ELEMENTS      HS10

TEMPORARIES

 R  ZERO

INDIVIDUALS

 T  2PROD
 A  ZERO                0.0
 F                      V1*V2
 G  V1                  V2
 G  V2                  V1
 H  V1        V1        ZERO
 H  V2        V2        ZERO
 H  V1        V2        1.0

 T  SQ
 F                      V1 * V1
 G  V1                  2.0 * V1
 H  V1        V1        2.0

ENDATA