43acfae0-3339-4fcd-b233-40df44dcefe9 11 15 5 decimal

&[DATE] &[TIME] - &[FILENAME]

Spline interpolation and finding extreme values by differentiating the spline

Two vectors

X 1 1.5 2 2.5 351 mat :

Y 4532451 mat :

Spline interpolation

x Ys X Y x ainterp :

YS 04 matrix :

i 1 X length range YS YS X i el Y i el . 2014 mat stack : for

x Ys X Y augment 2 1 sys

Differentiation

x dy x# Ys x 0.1 Gradient.CD :

dYS 04 matrix :

i 1 X length range dY i el X i el dy : dYS dYS X i el dY i el . 2014 mat stack : 21 line for

x dy X dY augment 0 3 1 sys

Function extreme values

x dy x 03 solve 1.4159 2.4444 21 mat