opt_x¶
Class attribute.
-
MHE.
opt_x
¶ Full structure of the (symbolic) MHE optimization variables.
The attribute is a CasADi numeric structure with nested power indices. It can be indexed as follows:
# dynamic states: opt_x['_x', time_step, collocation_point, _x_name] # algebraic states: opt_x['_z', time_step, collocation_point, _z_name] # inputs: opt_x['_u', time_step, _u_name] # estimated parameters: opt_x_Num['_p_est', _p_names] # slack variables for soft constraints: opt_x['_eps', time_step, _nl_cons_name]
The names refer to those given in the
do_mpc.model.Model
configuration. Further indices are possible, if the variables are itself vectors or matrices.The attribute can be used to alter the objective function or constraints of the NLP.
Note
The attribute
opt_x
carries the scaled values of all variables.Warning
Do not tweak or overwrite this attribute unless you known what you are doing.
Note
The attribute is populated when calling
setup()
orprepare_nlp()
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