.. _method-efficient_global-x_conv_tol:

""""""""""
x_conv_tol
""""""""""


x-convergence tolerance


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



**Specification**

- *Alias:* None

- *Arguments:* REAL

- *Default:* 1.0e-8


**Description**


The Efficient Global Optimization method will terminate if the
relative change in the best decision variables values x is less than
the specified tolerance.