add Piecewise Parabolic Method discretization method#239

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aditya-sengupta wants to merge 3 commits intoSciML:masterfrom aditya-sengupta:ppm

+258-12

Commits on Feb 4, 2023

Commits on Feb 8, 2023

Use full version of PPM with mid-cell interpolation
aditya-sengupta
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