# Can dynare handle "kinks", ie, non differentiable function

**URL:** <https://forum.dynare.org/t/can-dynare-handle-kinks-ie-non-differentiable-function/2568>\
**Category:** Dynare help (legacy posts)\
**Created:** [15 June 2012 21:19 UTC](https://forum.dynare.org/t/can-dynare-handle-kinks-ie-non-differentiable-function/2568 "2012-06-15T21:19:10Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jpfeifer](https://forum.dynare.org/user_avatar/forum.dynare.org/jpfeifer/32/5044_2.png) [@jpfeifer](https://forum.dynare.org/u/jpfeifer)\
**Post date:** [30 June 2012 12:55 UTC](https://forum.dynare.org/t/can-dynare-handle-kinks-ie-non-differentiable-function/2568/2 "2012-06-30T12:55:08Z")

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If you are talking about a stochastic model, Dynare does not support this. Your best shot is to look at [[The Zero Lower Bound Constraint on Nominal Int. Rate](https://forum.dynare.org/t/the-zero-lower-bound-constraint-on-nominal-int-rate/1940/1))

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