SIMPLLPB.SIF

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* SET UP THE INITIAL DATA *
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NAME          SIMPLLPB

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

*   A simple linear programming problem in 2 variables.

*   Source:
*   N. Gould, private communication.

*   SIF input: Ph. Toint, Dec 1989.

*   classification LLR2-AN-2-3

VARIABLES

    X1
    X2

GROUPS

 N  OBJ       X1        1.5            X2        1.0
 G  CONSTR1   X1        1.0            X2        1.0
 G  CONSTR2   X1        1.0            X2        2.0
 G  CONSTR3   X1        2.0            X2        1.0

CONSTANTS

    SIMPLLPB  CONSTR1   1.0
    SIMPLLPB  CONSTR2   1.2
    SIMPLLPB  CONSTR3   1.2

START POINT

 XV SIMPLLPB  'DEFAULT' 0.1

OBJECT BOUND

*   Solution

*LO SOLTN               1.1

ENDATA