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AVGASB.SIF
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AVGASB.SIF
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***************************
* SET UP THE INITIAL DATA *
***************************
NAME AVGASB
* Problem :
* *********
* LP problem avgas, with pd Hessian and integer variables
* SIF input: S. Leyffer, May 1998.
* classification QLR2-AN-8-10
IE 1 1
IE 8 8
VARIABLES
DO I 1 8
X X(I) INTEGER
ND
GROUPS
N OBJ X2 -2.0 X3 -1.0
N OBJ X4 -3.0 X5 -2.0
N OBJ X6 -4.0 X7 -3.0
N OBJ X8 -5.0
G CON1 X1 -1.0 X2 -1.0
G CON2 X3 -1.0 X4 -1.0
G CON3 X5 -1.0 X6 -1.0
G CON4 X7 -1.0 X8 -1.0
G CON5 X1 -1.0 X3 -1.0
G CON5 X5 -1.0 X7 -1.0
G CON6 X2 -1.0 X4 -1.0
G CON6 X6 -1.0 X8 -1.0
G CON7 X1 2.0 X3 1.0
G CON7 X7 -1.0
G CON8 X1 5.0 X3 3.0
G CON8 X5 -3.0 X7 -1.0
G CON9 X2 1.0 X4 -1.0
G CON9 X6 -3.0 X8 -5.0
G CON10 X2 1.0
G CON10 X6 -3.0 X8 -2.0
CONSTANTS
AVGASB CON1 -1.0
AVGASB CON2 -1.0
AVGASB CON3 -1.0
AVGASB CON4 -1.0
AVGASB CON5 -2.0
AVGASB CON6 -2.0
BOUNDS
UP AVGASB 'DEFAULT' 1.0
START POINT
XV AVGASB 'DEFAULT' 0.5
ELEMENT TYPE
EV SQ V1
EV 2PR V1 V2
ELEMENT USES
T X1S SQ
V X1S V1 X1
T X2S SQ
V X2S V1 X2
T X3S SQ
V X3S V1 X3
T X4S SQ
V X4S V1 X4
T X5S SQ
V X5S V1 X5
T X6S SQ
V X6S V1 X6
T X7S SQ
V X7S V1 X7
T X8S SQ
V X8S V1 X8
T X1X2 2PR
V X1X2 V1 X1
V X1X2 V2 X2
T X2X3 2PR
V X2X3 V1 X2
V X2X3 V2 X3
T X3X4 2PR
V X3X4 V1 X3
V X3X4 V2 X4
T X4X5 2PR
V X4X5 V1 X4
V X4X5 V2 X5
T X5X6 2PR
V X5X6 V1 X5
V X5X6 V2 X6
T X6X7 2PR
V X6X7 V1 X6
V X6X7 V2 X7
T X7X8 2PR
V X7X8 V1 X7
V X7X8 V2 X8
GROUP USES
E OBJ X1S 2.0 X2S 2.0
E OBJ X3S 2.0 X4S 2.0
E OBJ X5S 2.0 X6S 2.0
E OBJ X7S 2.0 X8S 2.0
E OBJ X1X2 -1.0 X2X3 -1.0
E OBJ X3X4 -1.0 X4X5 -1.0
E OBJ X5X6 -1.0 X6X7 -1.0
E OBJ X7X8 -1.0
OBJECT BOUND
ENDATA
***********************
* SET UP THE FUNCTION *
* AND RANGE ROUTINES *
***********************
ELEMENTS AVGASB
INDIVIDUALS
T SQ
F V1 * V1
G V1 2.0 * V1
H V1 V1 2.0
T 2PR
F V1 * V2
G V1 V2
G V2 V1
H V1 V2 1.0
ENDATA