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- random_sample_reg(grd_lon, grd_lat, reg_flux, reg_map, pid, **keywords)
- Randomly sample regional bf
Inputs:
---------------------------------------------------------------------
1. grd_lon:<array, (nlon)>: longitude
2. grd_lat:<array, (nlat)>: latitude
3. reg_flux:<array, (nlon, nlat, nlayer)>: regional flux.
It could be single layer
4. reg_map:<array, (nlon, nlat, nlayer)>: regional map
5. pid: <array, (nlayer/nreg)>: the parent (T3) region ID
6. keywords:<dict>: the extra inputs for sampling
---reserved keywords:
--->sel_reg_lst:<list, t:int>: List of region ID to be included
--->nsample:<int>: the upper-limit of the set of the sampled fluxes
--->scale:<array, (nsample)>: values to scaling BF functions
Outputs:
--------------------------------------------------------------------
1. out_dict:<dict>: It has seven entries
---grd_lon:<array, (nlon)>: longitude
---grd_lat:<array, (nlat)>: latitude
---flux:<array, (nlon, nlat, nsample)>: combined regional flux perturbations
---map:<array, (nlon, nlat, nsel_reg>: individual regional map
---sel_reg_lst:<list/array, t:int(nsel_reg)>: selected layers
---coef:<array, (nsel_reg, nsample>: random coefficient
---pid:<array, nsel_reg>: parent ID for selected region
- sample_by_reg(grd_lon, grd_lat, reg_flux, reg_map, pid, **keywords)
- Sample every regional bf
Inputs:
---------------------------------------------------------------------
1. grd_lon:<array, (nlon)>: longitude
2. grd_lat:<array, (nlat)>: latitude
3. reg_flux:<array, (nlon, nlat, nlayer)>: regional flux.
It could be single layer
4. reg_map:<array, (nlon, nlat, nlayer)>: regional map
5. pid: <array, (nlayer/nreg)>: the parent (T3) region ID
6. keywords:<dict>: the extra inputs for sampling
---reserved keywords:
--->sel_reg_lst:<list, t:int>: List of region ID to be included
Outputs:
--------------------------------------------------------------------
1. out_dict:<dict>: It has 6 entries
---lon:<array, (nlon)>: longitude
---lat:<array, (nlon)>: latitude
---flux:<array, (nlon, nlat, nsel)>: selected regional flux perturbations
---map:<array, (nlon, nlat, nsel)>: regional map
---pid:<array, (nsel)>: Parent ID of the selected regions
---sel_reg_lst:<array, t:int>: selected layers
---coef:<array, (nsel, nsel)>: projection from seleced region to the out put
- svd_sample_reg(grd_lon, grd_lat, reg_flux, reg_map, pid, **keywords)
- SVD sample regional bf
Inputs:
---------------------------------------------------------------------
1. grd_lon:<array, (nlon)>: longitude
2. grd_lat:<array, (nlat)>: latitude
3. reg_flux:<array, (nlon, nlat, nlayer)>: regional flux.
It could be single layer
4. reg_map:<array, (nlon, nlat, nlayer)>: regional map
3. pid: <array, (nlayer/nreg)>: the parent (T3) region ID
5. keywords:<dict>: the extra inputs for sampling
---reserved keywords:
--->sample_numb:<int>: the upper-limit of the size of sampled flux
--->sel_reg_lst:<list, t:int>: List of region ID to be included
--->err_cor:<array>: error correlation matrix to be SVD
Outputs:
--------------------------------------------------------------------
1. out_dict:<dict>: It has three entries
---flux:<array, (nlon, nlat, nsel_reg)>: combined regional flux perturbations
---map:<array, (nlon, nlat, nsel_reg>:
---sel_reg_lst:<array, t:int>: selected layers
---sel_coef:<array, t:int>: selected
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