# \#datainterpolations

**URL:** https://discourse.julialang.org/tag/datainterpolations/1369.md

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## [AD using Enzyme in ODE problem with DataInterpolations](https://discourse.julialang.org/t/ad-using-enzyme-in-ode-problem-with-datainterpolations/137771)

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**Author:** [@imre](https://discourse.julialang.org/u/imre)\
**Replies:** 3\
**Last updated:** [June 29, 2026, 7:47am UTC](https://discourse.julialang.org/t/ad-using-enzyme-in-ode-problem-with-datainterpolations/137771 "2026-06-29T07:47:07Z")

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Hello, I have an ODE problem which uses DataInterpolations.jl to obtain input values for the system at specific timepoints in order to compute dx. I want to use Enzyme.jl to compute the gradients with respect to paramete…

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## [AD through DataInterpolations, ODE : Gradient calculation, parameter -\> time series -\> DataInterpolation](https://discourse.julialang.org/t/ad-through-datainterpolations-ode-gradient-calculation-parameter-time-series-datainterpolation/126758)

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**Author:** [@Rohan\_Rajagopal](https://discourse.julialang.org/u/Rohan_Rajagopal)\
**Replies:** 2\
**Last updated:** [March 12, 2025, 5:46am UTC](https://discourse.julialang.org/t/ad-through-datainterpolations-ode-gradient-calculation-parameter-time-series-datainterpolation/126758 "2025-03-12T05:46:38Z")

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Greetings! The question is regarding AD through DataInterpolations, ODE. The function is described as follows, using DataInterpolations, OrdinaryDiffEq, SciMLSensitivity, Zygote time = 0.:0.1:20 function temp(ps) …

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## [Unstable quadratic spline from DataInterpolations.jl](https://discourse.julialang.org/t/unstable-quadratic-spline-from-datainterpolations-jl/122435)

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**Author:** [@marcobonici](https://discourse.julialang.org/u/marcobonici)\
**Replies:** 5\
**Last updated:** [November 9, 2024, 4:43pm UTC](https://discourse.julialang.org/t/unstable-quadratic-spline-from-datainterpolations-jl/122435 "2024-11-09T16:43:45Z")

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I have a problem when using the quadratic spline from DataInterpolations.jl. I have some data (blue curve) I want to interpolate on a finer grid. I tried to use a quadratic (orange) and a cubic (green) spline. DataInte…

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## [DataInterpolations.jl and Zygote.jl](https://discourse.julialang.org/t/datainterpolations-jl-and-zygote-jl/113208)

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**Author:** [@marcobonici](https://discourse.julialang.org/u/marcobonici)\
**Replies:** 18\
**Last updated:** [July 8, 2024, 12:30am UTC](https://discourse.julialang.org/t/datainterpolations-jl-and-zygote-jl/113208 "2024-07-08T00:30:49Z")

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Hi everyone, I am trying to differentiate through an interpolation (as offered by DataInterpolations.jl. Here is a MWE x = Array(LinRange(0,10,101)) a = 1 b = 2 c = 3 p(a,b,c) = a.+b.\*x.+c.\*x.^2 gradient(b -\> sum(p(a,b…

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## [How to get the derivative of an interpolated function?](https://discourse.julialang.org/t/how-to-get-the-derivative-of-an-interpolated-function/100272)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 5\
**Last updated:** [June 13, 2023, 11:26pm UTC](https://discourse.julialang.org/t/how-to-get-the-derivative-of-an-interpolated-function/100272 "2023-06-13T23:26:40Z")

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I have the following code: using DataInterpolations Cp=\[0.024384377390186646,0.03811829845979822,0.05731175742000688,0.0803120051369546,0.10526323380995135,0.1312349486430945, 0.1588590278697544,0.1882995422205645,…