NonlinearParameter Struct Reference

Nonlinear parameter. More...

Detailed Description

Nonlinear parameter.

The word "nonlinear" refers to the fact that the parameter can change as a function of state or forces. In other words, in the context of updating an implicit model, the value of the parameter can change fron nonlinear iteration to nonlinear iteration, as the guess of the solution keeps updating.

The output of a nonlinear parameter is not a "parameter" in our usual definition as one does not calibrate or optimize the nonlinear parameter in a training loop. However, the definition of the nonlinear parameter itself is oftentimes parameterized on a set of parameters (in the canonical definition). Those parameters can be calibrated or optimized.

#include <NonlinearParameter.h>

Public Attributes
Model *	provider = nullptr
	The model that defines this parameter.
VariableName	provider_var
	The variable name of the model that defines this parameter.
const VariableBase *	value = nullptr
	The actual parameter value.

Member Data Documentation

provider

Model* provider = nullptr

The model that defines this parameter.

provider_var

VariableName provider_var

The variable name of the model that defines this parameter.

value

const VariableBase* value = nullptr

The actual parameter value.