.. _model-surrogate-global-moving_least_squares-weight_function:

"""""""""""""""
weight_function
"""""""""""""""


Selects the weight function for the MLS model


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



**Specification**

- *Alias:* None

- *Arguments:* INTEGER


**Description**


The weight function decays as a function of distance from the training
data.  Specify one of:


- 1 (default):  exponential decay in weight function; once differentiable MLS model
- 2: twice differentiable MLS model
- 3: three times differentiable MLS model