Linear Least Squares Fit of data to Raster(640 X 480) +=predicted o=expected
600
500
400
300
200
y raster coordinates
100
0
-100
-100
0
100
200
300
400
500
600
700
x raster coordinates
Figure
Linear
Least
Squares
Fit
V
GA
pixels
across
a
X
screen
equations
are
used
as
a
basis
for
an
initial
linear
least
squares
t
r
a
r
b
c
out
r
in
r
in
r
a
r
b
c
out
in
in
x
r
cos
out
out
y
r
sin
out
out
The
MA
TLAB
least squares
algorithm
used
this
function
to
compute
the
b
est t
v
alues
for
r
and
in
p
olar
form
The
v
ariables
a
b
and
c
are
solv
ed
indep
enden
tly
for
the
r
and
equations
Once
the
b
est t
r
and
w
ere
computed
a
simple
con
v
ersion
to
Cartesian
screen
space
w
as
p
erformed
Fig
sho
ws
a
sample
data
set
tted
to
these
functions
as
tak
en
with
the
range nder
across
a
X
screen
The
v
alue
for
this
t
is
pixels
with
the
data
spanning
a
X
V
GA
grid
There
is