__dogleg__.m File Reference

Functions
	if (xn > delta) s
	if (sn > 0) s
	if (snm< delta) bn
1-snmd^2	sqrt ()
Variables
function	x
	xn = norm (d .* x)
	sn = norm (s)
	tn = norm (r*s)
	snm = (sn / tn) / tn
	dxn = delta/xn
	snmd = snm/delta
	t = (bn/sn) * (bn/xn) * snmd
	alpha = dxn*(1-snmd^2) / t

---

Function Documentation

if

(

)

if	(	sn	,
		0
	)

if	(	xn	,
		delta
	)

1-snmd^2 sqrt

(

)

[virtual]

---

Variable Documentation

endif else alpha = dxn*(1-snmd^2) / t

dxn = delta/xn

sn = norm (s)

snm = (sn / tn) / tn

snmd = snm/delta

t = (bn/sn) * (bn/xn) * snmd

tn = norm (r*s)

endif x

Initial value:

 __dogleg__ (r, b, d, delta)

  x = r \ b

xn = norm (d .* x)