# CMAQ-DDM Sensinput Reaction Rates

**URL:** <https://forum.cmascenter.org/t/cmaq-ddm-sensinput-reaction-rates/2405>\
**Category:** CMAQ-DDM-3D\
**Created:** [June 7, 2021, 2:49pm UTC](https://forum.cmascenter.org/t/cmaq-ddm-sensinput-reaction-rates/2405 "2021-06-07T14:49:11Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![SharMM](https://avatars.discourse-cdn.com/v4/letter/s/96bed5/32.png) [@SharMM](https://forum.cmascenter.org/u/SharMM)\
**Post date:** [July 22, 2021, 6:57pm UTC](https://forum.cmascenter.org/t/cmaq-ddm-sensinput-reaction-rates/2405/6 "2021-07-22T18:57:41Z")

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Thank you @sergey. Defining sensitive coefficients are too sensitive 🙂  
I have another question, when i run this it generates all sensitive coefficient as zero. Can you please advise why the coefficients are zero.

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