5 * Revision 1.1.1.1 1996/04/01 15:02:20 mclareni
10 SUBROUTINE DMAXLK(SUB,K,M,N,NX,X,A,AL,AU,MODE,EPS,MAXIT,IPRT,
11 + MFR,IAFR,PHI,DPHI,W,NERROR)
13 #include "gen/imp64.inc"
14 DIMENSION AL(*),AU(*),A(*),DPHI(*),IAFR(*),X(*),W(*)
17 ***********************************************************************
18 * LEAMAX, VERSION: 15.03.1993
19 ***********************************************************************
21 * DMAXLK IS THE STEERING ROUTINE FOR MAXIMUM LIKELIHOOD ESTIMATION.
23 * SUBROUTINE CALLED: D501L2
26 * THE CONSTANTS, VARIABLES AND ARRAYS HAVE THE FOLLOWING MEANING.
28 * SUB NAME OF USER-SUPPLIED SUBROUTINE SUBPROGRAM, DECLARED
29 * EXTERNAL IN THE CALLING PROGRAM. THIS SUBPROGRAM MUST PROVIDE
30 * THE VALUES OF THE FUNCTION AND, IF MODE=1, THE VALUES OF THE
31 * DERIVATIVES (SEE EXAMPLE) .
32 * K (INTEGER) DIMENSION OF A SINGLE DATA POINT (OBSERVATION) X .
33 * M (INTEGER) NUMBER OF DATA POINTS (OBSERVATIONS).
34 * N (INTEGER) NUMBER OF UNKNOWN PARAMETERS A.
35 * NX (INTEGER) DECLARED FIRST DIMENSION OF ARRAY X IN THE
36 * CALLING PROGRAM, WITH NX .GE. K .
37 * X (DOUBLE PRECISION) TWO-DIMENSIONAL ARRAY OF DIMENSION (NX,M).
38 * ON ENTRY, X MUST CONTAIN THE DATA SET (X(I)) (THE I-TH
39 * COLUMN OF X BELONGS TO THE DATA POINT X(I), I=1,...,M).
40 * A (DOUBLE PRECISION) ONE-DIMENSIONAL ARRAY OF LENGTH N .
41 * ON ENTRY, A MUST CONTAIN THE STARTING VALUES OF THE UNKNOWN
42 * PARAMETERS FOR THE LEVENBERG-MARQUARDT ALGORITHM.
43 * ON EXIT, A CONTAINS AN APPROXIMATION OF THE MINIMUM POINT.
44 * AL (DOUBLE PRECISION) ONE-DIMENSIONAL ARRAY OF LENGTH N .
45 * ON ENTRY, AL MUST CONTAIN THE LOWER BOUNDS OF A .
46 * AU (DOUBLE PRECISION) ONE-DIMENSIONAL ARRAY OF LENGTH N .
47 * ON ENTRY, AU MUST CONTAIN THE UPPER BOUNDS OF A .
49 * = 0: THE DERIVATIVE IS COMPUTED NUMERICALLY.
50 * = 1: THE DERIVATIVE HAS TO BE EVALUATED IN SUBPROGRAM SUB .
51 * EPS (DOUBLE PRECISION) USER-SUPPLIED TOLERANCE USED TO CONTROL
52 * THE TERMINATION CRITERION. EPS SHOULD BE CHOSEN ACCORDING
53 * TO THE ACCURACY REQUIRED BY THE UNDERLYING PROBLEM AND TO
54 * THE MACHINE ACCURACY ALSO (RECOMMENDED VALUE ON ENTRY:
56 * MAXIT (INTEGER) MAXIMUM PERMITTED NUMBER OF ITERATIONS.
57 * IPRT (INTEGER) PRINTING CONTROL. G
58 * = 0 : NO PRINTING OF INTERMEDIATE RESULTS
59 * = +/- L : PRINTING OF INTERMEDIATE RESULTS AT EVERY ABS(L)-TH
60 * ITERATION; IF IPRT < 0, PRINTING OF ALL INPUT
61 * PARAMETERS OF DSUMSQ IN ADDITION.
62 * MFR (INTEGER) ON EXIT, MFR CONTAINS THE NUMBER OF FREE VARIABLES
63 * AT THE SOLUTION POINT.
64 * IAFR (INTEGER) ONE-DIMENSIONAL ARRAY OF LENGTH >= N , USED AS
65 * WORKING SPACE. ON EXIT, THE FIRST MFR ELEMENTS OF IAFR
66 * CONTAIN THE INDICES OF THE FREE VARIABLES AT THE SOLUTION
68 * PHI (DOUBLE PRECISION) ON EXIT, PHI CONTAINS THE VALUE OF THE
69 * OBJECTIVE FUNCTION AT THE MINIMUM POINT.
70 * DPHI (DOUBLE PRECISION) ONE-DIMENSIONAL ARRAY OF LENGTH N .
71 * ON EXIT, DPHI CONTAINS THE DERIVATIVES OF THE OBJECTIVE
72 * FUNCTION WITH RESPECT TO A (THE GRADIENT) AT THE LAST
74 * W (DOUBLE PRECISION) ONE-DIMENSIONAL ARRAY OF LENGTH
75 * 7*N+2*N*N , USED AS WORKING SPACE.
76 * NERROR (INTEGER) ERROR INDICATOR. ON EXIT:
77 * = 0: NO ERROR OR WARNING DETECTED.
78 * = 1: AT LEAST ONE OF THE CONSTANTS K, M, N, NX, MAXIT IS
79 * ILLEGAL OR AT LEAST FOR ONE J THE RELATION
80 * AL(J) .LE. AU(J) IS NOT TRUE.
81 * = 2: THE MAXIMUM NUMBER MAXIT OF ITERATIONS HAS BEEN
83 * = 3: THE OBJECTIVE FUNCTION PHI OR ITS DERIVATIVE IS NOT
84 * DEFINED FOR THE CURRENT VALUES OF THE UNKNOWN
86 * = 4: THE ROUTINE DSINV (F012) WAS UNABLE TO SOLVE THE
89 *************************************************************************
91 * THE FOLLOWING SUBROUTINE IS A SIMPLE EXAMPLE FOR SUB.
93 * SUBROUTINE SUB(K,X,N,A,F,DF,MODE,NERROR)
95 * IMPLICIT DOUBLE PRECISION (A-H,O-Z)
96 * DIMENSION A(*),X(*),DF(*)
97 * PARAMETER (PIR = 0.56418 95835 47756 287D0)
99 * IF(A(1) .EQ. 0) RETURN
100 * T=0.5D0*((X(1)-1)/A(1))**2)
102 * IF(F .EQ. 0) RETURN
104 * IF(MODE .NE. 0) DF(1)=-F*(1-2*T)/A(1)**2
108 *************************************************************************
110 CALL D501L2(K,M,X,NX,MODE,EPS,MAXIT,IPRT,N,A,AL,AU,
111 1 PHI,DPHI,IAFR,MFR,W(1),W(N+1),W(2*N+1),W(3*N+1),
112 2 W(4*N+1),W(5*N+1),W(6*N+1),W(7*N+1),W(7*N+N*N+1),