70ab6251-e6e9-4cb2-896a-0b5b137fa085 2 4 5 decimal

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

vx vy chr sz clr plotG n vx length : plot vx 1 el vy 1 el chr sz clr augment : i 2 n range plot plot vx i el vy i el chr sz clr augment stack : for plot 41 line :

Data 14 1.5 523 2.5 23452 mat :

X Data 1 col :

Prepare the Poly model

Y Data 2 col :

x φ 1 x x 2^x 3^41 mat :

1 x x 2^x 3^41 mat

1 x x 1.75^x 2.5^41 mat

n X length :

n 5

PolyOrder 3 :

degree PolyOrder 1 + :

x i^(i 0 PolyOrder sum 1 x 1 x + x 2^+ (* +

j 0 degree range :

i 1 n range :

j 1 degree range i 1 n range M i j el X i el φ j el : for for

M 11111 1.5 2.25 3.375 12481 2.5 6.25 15.625 1392754 mat

Φ M transpose M * :

d M transpose Y * :

b Φ 1 -^eval d * :

b 17.4 - 40.5714 23.1429 - 441 mat

data X Y . 14 black plotG :

x fit b x φ * :

<= recast the scalar model

x D x fit x diff :

x D x 03 solve 1.3468 2.5103 21 mat

Smath QuickPlot scalar fit

x fit x D data 3 1 sys