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# Parameter Sensitivities¶

## Group /input/sensitivity¶

NSENS

Number of sensitivities to be computed

 Type: int Range: $$\geq 0$$ Length: 1

SENS_METHOD

Method used for computation of sensitivities (algorithmic differentiation)

 Type: string Range: $$\texttt{ad1}$$ Length: 1

## Group /input/sensitivity/param_XXX¶

SENS_UNIT

Unit operation index

 Type: int Range: $$\geq 0$$ Length: $$\geq 1$$

SENS_NAME

Name of the parameter

 Type: string Length: $$\geq 1$$

SENS_COMP

Component index ($$-1$$ if parameter is independent of components)

 Type: int Range: $$\geq -1$$ Length: $$\geq 1$$

SENS_PARTYPE

Particle type index ($$-1$$ if parameter is independent of particle types)

 Type: int Range: $$\geq -1$$ Length: $$\geq 1$$

SENS_REACTION

Reaction index ($$-1$$ if parameter is independent of reactions)

 Type: int Range: $$\geq -1$$ Length: $$\geq 1$$

SENS_BOUNDPHASE

Bound phase index ($$-1$$ if parameter is independent of bound phases)

 Type: int Range: $$\geq -1$$ Length: $$\geq 1$$

SENS_SECTION

Section index ($$-1$$ if parameter is independent of sections)

 Type: int Range: $$\geq -1$$ Length: $$\geq 1$$

SENS_ABSTOL

Absolute tolerance used in the computation of the sensitivities (optional). Rule of thumb: $$\texttt{ABSTOL} / \texttt{PARAM_VALUE}$$

 Type: double Range: $$\geq 0.0$$ Length: $$\geq 1$$

SENS_FACTOR

Linear factor of the combined sensitivity (optional, taken as $$1.0$$ if left out)

 Type: double Range: $$\mathbb{R}$$ Length: $$\geq 1$$