removeParameter
Remove parameter from sdo.ParameterSpace
or
sdo.GriddedSpace
object
Description
Examples
Create an sdo.ParameterSpace
object, ps
, for the Ac
and K
parameters of the sdoHydraulicCylinder
model.
load_system('sdoHydraulicCylinder'); p = sdo.getParameterFromModel('sdoHydraulicCylinder',{'Ac','K'}); ps = sdo.ParameterSpace(p)
ps = ParameterSpace with properties: ParameterDistributions: [1×2 prob.UniformDistribution] RankCorrelation: [] Notes: [] ParameterNames: {'Ac' 'K'} Options: [1×1 sdo.SampleOptions]
Remove K
from ps
.
ps = removeParameter(ps,p(2))
ps = ParameterSpace with properties: ParameterDistributions: [1×1 prob.UniformDistribution] RankCorrelation: [] Notes: [] ParameterNames: {'Ac'} Options: [1×1 sdo.SampleOptions]
Remove Ac
from ps
using the parameter name.
ps = removeParameter(ps,'Ac');
Open the sdoCSTR
model and extract continuous parameters A
, h
, FeedCon0
, and FeedTemp0
. Assign values to these parameters for gridded sampling and define the parameter space.
mdl = "sdoCSTR"; open_system(mdl); p = sdo.getParameterFromModel(mdl,{'A','h','FeedCon0','FeedTemp0'}); Avals = {0.2 0.6 1.0 1.4 1.8 2.2}; hvals = {0.5 1.5 2.5 3.5}; Convals = {9.5 10.0 10.5}; Tempvals = {250,275,300}; ps0 = sdo.GriddedSpace(p,{Avals,hvals,Convals,Tempvals});
Suppose that you decide not to sample A
and h
as part of this parameter space. Remove these parameters by providing their names to removeParameters
.
ps = removeParameter(ps0,{'A','h'})
ps = GriddedSpace with properties: ParameterValues: {{1×3 cell} {1×3 cell}} Notes: [] Spaces: {1×0 cell} ParameterNames: {'FeedCon0' 'FeedTemp0'} Options: [1×1 sdo.GriddingOptions]
removeParameter
updates ParameterValues
and ParameterNames
to reflect the reduced set of parameters in the space.
Input Arguments
Parameter space to remove parameters from, specified as an
sdo.ParameterSpace
or sdo.GriddedSpace
object.
Parameters to remove from ps0
, specified as one of the
following:
Character vector, cell array of character vectors, or string containing the names of the parameters to remove from
ps0
. For example,'A1'
,{'A1','A2'}
, or"A1"
.param.Continuous
object,param.Discrete
object, or vector of parameter objects. Usually, you obtain these objects usingsdo.getParameterFromModel
orsdo.getStateFromModel
.
Output Arguments
Updated parameter space, returned as an sdo.ParameterSpace
or
sdo.GriddedSpace
object. removeParameter
removes
the parameter or parameters specified in p
, setting
ps.ParameterNames
to reflect the removal. The function also sets
ps.ParameterDistributions
(for randomly sampled parameter spaces)
or ps.ParameterValues
(for gridded parameter spaces) to reflect the
removed parameters.
Version History
Introduced in R2014a
See Also
addParameter
| sdo.ParameterSpace
| sdo.GriddedSpace
| sdo.getParameterFromModel
| setValues
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