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HS48.SIF
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***************************
* SET UP THE INITIAL DATA *
***************************
NAME HS48
* Problem :
* *********
* Source: problem 48 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, April 1990
* classification SLR2-AY-5-2
* some useful parameters, including N, the number of variables.
IE N 5
IE 1 1
IE 2 2
IE 4 4
VARIABLES
DO I 1 N
X X(I)
ND
GROUPS
N OBJ
E CON1 X1 1.0 X2 1.0
E CON1 X3 1.0 X4 1.0
E CON1 X5 1.0
E CON2 X3 1.0 X4 -2.0
E CON2 X5 -2.0
CONSTANTS
HS48 CON1 5.0
HS48 CON2 -3.0
BOUNDS
FR HS48 'DEFAULT'
START POINT
HS48 X1 3.0
HS48 X2 5.0
HS48 X3 -3.0
HS48 X4 2.0
HS48 X5 -2.0
ELEMENT TYPE
EV SQM1 V1
EV SQ1M2 V1 V2
IV SQ1M2 U1
ELEMENT USES
T E1 SQM1
V E1 V1 X1
T E2 SQ1M2
V E2 V1 X2
V E2 V2 X3
T E3 SQ1M2
V E3 V1 X4
V E3 V2 X5
GROUP USES
E OBJ E1 E2
E OBJ E3
OBJECT BOUND
LO HS48 0.0
* Solution
*LO SOLTN 0.0
ENDATA
***********************
* SET UP THE FUNCTION *
* AND RANGE ROUTINES *
***********************
ELEMENTS HS48
TEMPORARIES
R V1M1
INDIVIDUALS
T SQ1M2
R U1 V1 1.0 V2 -1.0
F U1**2
G U1 2.0 * U1
H U1 U1 2.0
T SQM1
A V1M1 V1 - 1.0
F V1M1**2
G V1 2.0 * V1M1
H V1 V1 2.0
ENDATA