How to save classes in matlab in persistent variables during code generation

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x lang 2022-2-2
评论： x lang 2022-2-2
If objects are stored in persistent variables, initialize System objects once by embedding the object handles in an if statement with a call to isempty().
How to implement this sentence
function PFesti()
if(isempty(pf@stateEstimatorPF))
pf = stateEstimatorPF;
else
pf.predict();
end
end
I wrote these codes above but it doesn't work, does anyone know how matlab's classes are initialized only once after the embedded code is generated？

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采纳的回答

Walter Roberson
Walter Roberson 2022-2-2
function PFesti()
persistent pf
if isempty(pf)
pf = stateEstimatorPF;
end
pf.predict();
end

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