...
A
...
detailed
...
derivation
...
of
...
the
...
equations
...
used
...
to
...
generate
...
the
...
...
...
curves
...
at
...
a
...
given
...
...
location
...
is
...
presented
...
as
...
follows:
...
|
...
A
...
detailed
...
derivation
...
of
...
the
...
equations
...
used
...
to
...
generate
...
the
...
...
...
curves
...
at
...
a
...
given
...
...
location
...
is
...
presented
...
as
...
follows:
...
|