[Numpy-discussion] Re: Getting scipy.interpolate.pchip_interpolate to return the first derivative of a pchip interpolation

You should post at the scipy-user mailing list. See https://svn.scipy.org/scipylib/mailing-lists.html. On Sat, Jan 21, 2023 at 4:08 PM Samuel Dupree wrote: > I'm running SciPy ver. 1.9.3 under Python ver. 3.9.15 on a Mac Pro (2019) > desktop running Mac OSX ver. 13.1 Ventura. The problem I'm ha

[Numpy-discussion] Getting scipy.interpolate.pchip_interpolate to return the first derivative of a pchip interpolation

I'm running SciPy ver. 1.9.3 under Python ver. 3.9.15  on a Mac Pro (2019) desktop running Mac OSX ver. 13.1 Ventura. The problem I'm having is getting scipy.interpolate.pchip_interpolate to return the first derivative of a pchip interpolation. The test program I'm using is given below (and at