gemseo / utils / derivatives

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approximation_modes module

The approximation modes.

class gemseo.utils.derivatives.approximation_modes.ApproximationMode(value)

Bases: StrEnum

The approximation derivation modes.

CENTERED_DIFFERENCES = 'centered_differences'

The centered differences method used to approximate the Jacobians by perturbing each variable with a small real number.

COMPLEX_STEP = 'complex_step'

The complex step method used to approximate the Jacobians by perturbing each variable with a small complex number.

FINITE_DIFFERENCES = 'finite_differences'

The finite differences method used to approximate the Jacobians by perturbing each variable with a small real number.

Examples using ApproximationMode

Check the Jacobian of a discipline

Check the Jacobian of a discipline

Compute the Jacobian of a discipline with finite differences

Compute the Jacobian of a discipline with finite differences

Create a discipline from analytical expressions

Create a discipline from analytical expressions