<p> PolyFit(x,y,n) </p>

dc77e8eb-0e44-4014-a5aa-3b073bf35c25 6 15 12 decimal

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

code adapted from Alvaro 20101209 ... 1/1 MCD this example x y n PolyFit m x length : r 1 m range : c 1 n 1 + (range : 13 mat A m n 1 + matrix 1 + : r 1 x length range c 1 n 1 + (range A r c el x r el x r el 0 ≡ (c 1 ≡ (& (+ (c 1 -^: for for A transpose A * (1 -^A transpose y * (* eval 41 line :

p x PolyVal p k el x k 1 -^vectorize * k 1 p length sum eval 11 line :

data char size clr plot k 1 data rows range r3 k el char : r4 k el size : r5 k el clr : 13 mat for data r3 r4 r5 augment 21 line :

Balistic control by submatrix

sub 4 :

xy 111123571010910910910914914919121322429 mat transpose :

balistic control
by sub [1, 2, 3, 4] xy xy sub 9 range 12 range el :

3 appVersion 0.98.6179 ≡

X xy 1 col : Y xy 2 col : 12 mat data xy . 14 red plot : 21 line

xy 110921493149519172131022462 mat

n 3 :

c x f c k el x k 1 -^* k 1 n 1 + sum :

clean export wrt x^c x f c 1 el x 11 -^* c 2 el x 21 -^* + c 3 el x 31 -^* + c 4 el x 41 -^* +

c X Y n PolyFit : 86.4292 28.4694 1.592 - 0.0123 41 mat

alternate plots ... f(c,x) ... PolyVal(c,x)

c x f data 2 1 sys

c X PolyVal 113.319 137.099 157.8432 190.5206 211.944 224.2743 61 mat

Y c X PolyVal - normi 11.901