initially provided by the user. To be explicit, unlike Kalman-type filters, the
state error covariance is not updated.
+.. ------------------------------------ ..
+.. include:: snippets/Header2Algo12.rst
+
+.. include:: snippets/FeaturePropLocalOptimization.rst
+
+.. include:: snippets/FeaturePropDerivativeNeeded.rst
+
+.. include:: snippets/FeaturePropParallelDerivativesOnly.rst
+
.. ------------------------------------ ..
.. include:: snippets/Header2Algo02.rst