Changes between Version 4 and Version 5 of PDAF_gather_obs_f2


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Timestamp:
Jul 5, 2019, 10:19:09 AM (13 months ago)
Author:
lnerger
Comment:

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  • PDAF_gather_obs_f2

    v4 v5  
    55In the local filters (LESKTF, LETKF, LSEIK, LNETF) this routine gathers the process-local observation coordinates arrays and returns the cooridates for the full observation vector.
    66
    7 The routine depends on [wiki:PDAF_gather_dim_obs_f], which defines the process-local observation dimensions. Further, the related routine [wiki:PDAF_gather_obs_f] is used to collect the full state vector.
     7The routine depends on [wiki:PDAF_gather_dim_obs_f], which defines the process-local observation dimensions. Further, the related routine [wiki:PDAF_gather_obs_f] is used to collect the full state vector. 
    88
    99The routine is typically used in the routines [wiki:init_dim_obs_f_pdaf] if the analysis step of the local filters is parallelized.
     
    2323 * The routine is used for a coordinate array which stores in each column the coordinates of one observation. Thus for a two-dimensional case, the size of `coords_obs_p` is `(2, dim_obs_p)` and `nrows=2` is used in the call to `PDAF_gather_obs_f2`.
    2424 * If the coordindates are stored so that each row of `coords_obs_p` holds the coordinates of one observation the routine `PDAF_gather_obs_f` should be applied separate for each column to gather the full coordinates array.
     25 * For cases with different observation types, the routine [wiki:PDAF_gather_obs_f2_flex] can be used. It does not rely on `PDAF_gather_dim_obs_f` and is hence easier to use. It was introduced in PDAF 1.14.