Problems from Vladislavleva
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
These problems are introduced and studied in the paper:

Vladislavleva, Ekaterina J., Guido F. Smits, and Dick Den Hertog.
"Order of nonlinearity as a complexity measure for models generated by symbolic regression via pareto genetic
programming." IEEE Transactions on Evolutionary Computation 13.2 (2008): 333-349. 

.. autofunction:: dcgpy.generate_kotanchek
.. autofunction:: dcgpy.generate_salutowicz
.. autofunction:: dcgpy.generate_salutowicz2d
.. autofunction:: dcgpy.generate_uball5d
.. autofunction:: dcgpy.generate_ratpol3d
.. autofunction:: dcgpy.generate_sinecosine
.. autofunction:: dcgpy.generate_ripple
.. autofunction:: dcgpy.generate_ratpol2d