Changes between Version 1 and Version 2 of PDAF3_interface


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Timestamp:
Mar 23, 2025, 4:12:19 PM (9 days ago)
Author:
lnerger
Comment:

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  • PDAF3_interface

    v1 v2  
    2727
    2828**Notes:**
    29  * The routines [wiki:PDAF3_put_state_local] and [wiki:PDAF3_put_state_global] exist for backward-compatibility. Starting with PDAF V3.0, we recommend to use [wiki:PDAF3_assimilate_local]  and [wiki:PDAF3_assimilate_global]
     29 * The routines [wiki:PDAF3_put_state_local] and [wiki:PDAF3_put_state_global] exist for backward-compatibility of the flexible parallelization variant. Starting with PDAF V3.0, we recommend to use [wiki:PDAF3_assimilate_local]  and [wiki:PDAF3_assimilate_global]. See the [wiki:ExternalModelLoop instructions for implementing the flexible parallelization variant] for the updated instructions.
    3030 * One can let PDAF select which of the routines to call. The function [wiki:PDAF_localfilter] allows to switch between the routines as is shown in the tutorial implementations and templates.
    3131
    3232**For non-diagonal R matrix**
    3333
    34 I the observation error covariance matrix **R** is non-diagonal, one needs to sue different interface routines. These provide direct access to the routines that involved operations with the matrix **R** so that the user can implement these as efficiently as possible given the particular characteristics of **R** in they particular application.
     34If the observation error covariance matrix **R** is non-diagonal, one needs to sue different interface routines. These provide direct access to the routines that involved operations with the matrix **R** so that the user can implement these as efficiently as possible given the particular characteristics of **R** in they particular application.
    3535
    3636See the [wiki:OMI_nondiagonal_observation_error_covariance_matrices] for information on using non-diagonal **R**-matrices with OMI. The routines are only partly generic depending on the needed observation-specific routine: