# ETD time discretization in fenics

**URL:** <https://fenicsproject.discourse.group/t/etd-time-discretization-in-fenics/12743>\
**Category:** General\
**Created:** [November 14, 2023, 10:10am UTC](https://fenicsproject.discourse.group/t/etd-time-discretization-in-fenics/12743 "2023-11-14T10:10:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sean](https://yyz2.discourse-cdn.com/free1/user_avatar/fenicsproject.discourse.group/sean/32/5181_2.png) [@Sean](https://fenicsproject.discourse.group/u/Sean)\
**Post date:** [November 14, 2023, 10:10am UTC](https://fenicsproject.discourse.group/t/etd-time-discretization-in-fenics/12743/1 "2023-11-14T10:10:36Z")

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Hello, everyone.  
Because ETD time discretization involves the processing of exponential matrices e^{-tL}.  
Are there any examples of ETD(exponential time differencing) time discreteness in Fenics?  
Thanks a lot!