https://www.mathworks.com/help/reinforcement-learning/ref/rl.function.rlcontinuousdeterministicactor.gradient.html
gradient - (Not recommended) Evaluate gradient of function approximator object given observation...
This MATLAB function evaluates the gradient of the sum of the outputs of the function approximator object fcnAppx with respect to its inputs.
not recommendedgradientevaluatefunctionapproximator
https://www.mathworks.com/help/reinforcement-learning/ref/rl.function.rlcontinuousdeterministicactor.syncparameters.html
syncParameters - Modify the learnable parameters of one approximator toward the learnable...
This MATLAB function returns an updated function approximator object of the same type and configuration of fcnAppx, but with its learnable parameters updated...
modifylearnableparametersoneapproximator
https://www.r-project.org/nosvn/R.check/r-release-windows-x86_64/approximator-00check.html
Check results for 'approximator'
check resultsapproximator