# Is there a way to run differential equations to a specific point and then change input values, continue running, and graph it together?

**URL:** <https://discourse.julialang.org/t/is-there-a-way-to-run-differential-equations-to-a-specific-point-and-then-change-input-values-continue-running-and-graph-it-together/19232>\
**Category:** New to Julia\
**Tags:** question, diffeq\
**Created:** [January 3, 2019, 10:23am UTC](https://discourse.julialang.org/t/is-there-a-way-to-run-differential-equations-to-a-specific-point-and-then-change-input-values-continue-running-and-graph-it-together/19232 "2019-01-03T10:23:23Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [January 3, 2019, 10:28am UTC](https://discourse.julialang.org/t/is-there-a-way-to-run-differential-equations-to-a-specific-point-and-then-change-input-values-continue-running-and-graph-it-together/19232/2 "2019-01-03T10:28:28Z")

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The easiest way is to just make it a single diffeq solve with a callback that implements the change.

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