def _fitC_residual(angles, r0, invCmat, wavelength):
rI = gw.makeARecipVector(angles, wavelength)
#print rI
df = 1./Mag(rI)
d0 = 1./Mag(r0)
gii_0 = dot(r0,r0)
gii = dot(dot(invCmat,r0),r0)
r_i = df/d0 - sqrt(gii_0)/(sqrt(gii))
return r_i
def _fitR_residual(angles, r0, Fmat, wavelength):
Cmat = dot(Fmat.T,Fmat)
rI = gw.makeARecipVector(angles,wavelength)
n = Unit(rI)
N = Unit(r0)
#print Fmat,Cmat
alpha_ = sqrt(Inner_Prod(Star(Cmat),N,N))
#print alpha_
r_i = Inner_Prod(Star(Fmat),n,N) - alpha_
#print 'r_i'
return r_i
