Changes between Version 4 and Version 5 of PDAF_local_weight


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Timestamp:
Feb 21, 2023, 4:05:19 PM (14 months ago)
Author:
lnerger
Comment:

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  • PDAF_local_weight

    v4 v5  
    88The interface is the following:
    99{{{
    10   SUBROUTINE PDAF_local_weight(wtype, rtype, local_range, srange, distance, &
     10  SUBROUTINE PDAF_local_weight(wtype, rtype, cradius, sradius, distance, &
    1111     nrows, ncols, A, var_obs, weight, verbose)
    1212}}}
    1313with the following arguments:
    14  * `wtype` : `integer, intent(in)`[[BR]] Type of weight function:[[BR]] (0) unit weight (=1 up to radius `local_range`) [[BR]] (1) exponential decrease (1/e at distance=srange; 0 for distance>local_range)[[BR]] (2) 5th order polynomial with support radius srange (Gaspari&Cohn 1999; 0 for distance>srange)
     14 * `wtype` : `integer, intent(in)`[[BR]] Type of weight function:[[BR]] (0) unit weight (=1 up to radius `cradius`) [[BR]] (1) exponential decrease (1/e at distance=sradius; 0 for distance>cradius)[[BR]] (2) 5th order polynomial with support radius sradius (Gaspari&Cohn 1999; 0 for distance>sradius)
    1515 * `rtype` : `integer, intent(in)`[[BR]] Type of regulated weighting:[[BR]] (0) no regulation[[BR]] (1) regulation using mean variances[[BR]]
    16  * `local_range` : `real, intent(in)`[[BR]] Cut-off radius (weight is always =0 for distance>local_range)
    17  * `srange` : `real, intent(in)`[[BR]] Support radius of weight function
     16 * `cradius` : `real, intent(in)`[[BR]] Cut-off radius (weight is always =0 for distance>cradius)
     17 * `sradius` : `real, intent(in)`[[BR]] Support radius of weight function
    1818 * `distance` : `real, intent(in)`[[BR]] Distance to observation
    1919 * `nrows` : `integer, intent(in)`[[BR]] Number of rows in matrix A