.. _method-multifidelity_sampling-numerical_solve-override:

""""""""
override
""""""""


Replace MFMC analytic allocation with a numerical solution


.. toctree::
   :hidden:
   :maxdepth: 1



**Specification**

- *Alias:* None

- *Arguments:* None


**Description**


Unconditionally employ a numerical solve for allocation of
samples per model instance within multifidelity Monte Carlo (MFMC).
The analytic allocation is replaced with numerical solution using either
``sqp`` or ``nip`` solvers.

*Usage Tips*
An unconditional override can be appropriate in the case where you select
a pilot sample that may be larger than the anticipated optimal sample
profile results (pilot over-estimation).  In this context, the numerical
optimization has greater freedom to work around the incurred pilot cost
and find a solution that optimally incorporates the pilot.

*Additional Discussion*



**Examples**



.. code-block::

    method,
            model_pointer = 'ENSEMBLE'
            multifidelity_sampling
              numerical_solve nip override
              max_function_evaluations = 1000
              pilot_samples = 100
              seed = 8674132




