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Most usage of differentials assumes order 1. In the case that we need higher-order derivatives, we compose a first-order differential with itself and analyze the operation tree when higher-order derivatives are expected.

Fixes higher-order derivative application.

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codecov bot commented Feb 4, 2019

Codecov Report

Merging #98 into master will decrease coverage by 0.21%.
The diff coverage is 96%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master      #98      +/-   ##
==========================================
- Coverage   92.26%   92.04%   -0.22%     
==========================================
  Files          11       11              
  Lines         323      327       +4     
==========================================
+ Hits          298      301       +3     
- Misses         25       26       +1
Impacted Files Coverage Δ
src/systems/diffeqs/first_order_transform.jl 100% <100%> (ø) ⬆️
src/differentials.jl 97.67% <100%> (-0.06%) ⬇️
src/systems/diffeqs/diffeqsystem.jl 94.33% <90.9%> (-1.32%) ⬇️

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@ChrisRackauckas ChrisRackauckas merged commit 02edf04 into master Feb 5, 2019
@ChrisRackauckas ChrisRackauckas deleted the hg/refactor/diff branch February 5, 2019 01:22
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3 participants