DataInterpolations.jl and Zygote.jl

ChrisRackauckas · April 18, 2024, 7:18pm

It currently only has the adjoints to differentiate w.r.t. t

SciML/DataInterpolations.jl/blob/master/ext/DataInterpolationsChainRulesCoreExt.jl#L15-L26


      
          function ChainRulesCore.rrule(::typeof(_interpolate),
                  A::Union{
                      LagrangeInterpolation,
                      AkimaInterpolation,
                      BSplineInterpolation,
                      BSplineApprox
                  },
                  t::Number)
              deriv = derivative(A, t)
              interpolate_pullback(Δ) = (NoTangent(), NoTangent(), deriv * Δ)
              return _interpolate(A, t), interpolate_pullback
          end

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DataInterpolations.jl and Zygote.jl

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