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LUKVLE16.SIF
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***************************
* SET UP THE INITIAL DATA *
***************************
NAME LUKVLE16
* Problem :
* *********
* Source: Problem 5.16, the chained modified HS51 problem,
* due to L. Luksan and J. Vlcek,
* "Sparse and partially separable test problems for
* unconstrained and equality constrained optimization",
* Technical Report 767, Inst. Computer Science, Academy of Sciences
* of the Czech Republic, 182 07 Prague, Czech Republic, 1999
* SIF input: Nick Gould, April 2001
* classification OQR2-AY-V-V
* some useful parameters, including N, the number of variables.
*IE N 97 $-PARAMETER
*IE N 997 $-PARAMETER
IE N 9997 $-PARAMETER
*IE N 99997 $-PARAMETER
* other useful parameters
IE 1 1
IE 2 2
IE 3 3
IE 4 4
IE 5 5
IA N-1 N -1
I/ (N-1)/4 N-1 4
I* NC 3 (N-1)/4
VARIABLES
DO I 1 N
X X(I)
ND
GROUPS
DO I 1 (N-1)/4
IA I-1 I -1
I* J 4 I-1
IA J+1 J 1
IA J+2 J 2
IA J+3 J 3
IA J+4 J 4
IA J+5 J 5
XN OBJ1(I) X(J+1) 1.0 X(J+2) -1.0
XN OBJ2(I) X(J+2) 1.0 X(J+3) 1.0
XN OBJ3(I) X(J+4) 1.0
XN OBJ4(I) X(J+5) 1.0
ND
DO K 1 NC
DI K 3
IA K+1 K 1
IA K+2 K 2
IA K+3 K 3
IA K+4 K 4
XE C(K) X(K+1) 3.0
XE C(K+1) X(K+3) 1.0 X(K+4) -2.0
XE C(K+2) X(K+4) -1.0
ND
CONSTANTS
DO I 1 (N-1)/4
X RHS OBJ2(I) 2.0
X RHS OBJ3(I) 1.0
X RHS OBJ4(I) 1.0
ND
DO K 1 NC
DI K 3
X RHS C(K) 4.0
ND
BOUNDS
FR BND 'DEFAULT'
START POINT
DO I 1 N
DI I 4
XV LUKVLE16 X(I) 2.5
ND
DO I 2 N
DI I 4
XV LUKVLE16 X(I) 0.5
ND
DO I 3 N
DI I 4
XV LUKVLE16 X(I) 2.0
ND
DO I 4 N
DI I 4
XV LUKVLE16 X(I) -1.0
ND
ELEMENT TYPE
EV SQR V
ELEMENT USES
DO K 1 NC
DI K 3
IA K+1 K 1
IA K+2 K 2
XT E(K) SQR
ZV E(K) V X(K)
XT E(K+1) SQR
ZV E(K+1) V X(K+2)
XT E(K+2) SQR
ZV E(K+2) V X(K+1)
ND
GROUP TYPE
GV L2 ALPHA
GV L4 ALPHA
GROUP USES
DO I 1 (N-1)/4
XT OBJ1(I) L4
XT OBJ2(I) L2
XT OBJ3(I) L2
XT OBJ4(I) L2
ND
DO K 1 NC
DI K 3
IA K+1 K 1
IA K+2 K 2
XE C(K) E(K)
XE C(K+1) E(K+1)
XE C(K+2) E(K+2)
ND
OBJECT BOUND
LO LUKVLE16 0.0
* Solution
*LO SOLTN 0.0
ENDATA
***********************
* SET UP THE FUNCTION *
* AND RANGE ROUTINES *
***********************
ELEMENTS LUKVLE16
INDIVIDUALS
T SQR
F V * V
G V 2.0 * V
H V V 2.0
ENDATA
*********************
* SET UP THE GROUPS *
* ROUTINE *
*********************
GROUPS LUKVLE16
INDIVIDUALS
T L2
F ALPHA * ALPHA
G ALPHA + ALPHA
H 2.0
T L4
F ALPHA ** 4
G 4.0 * ALPHA ** 3
H 12.0 * ALPHA ** 2
ENDATA