HP -27S Owner's Manual page 220

\-,
\-,
v
v
\-,
\-,
\-,
v
\-,
\-,
v
\.,
\./
v
v
\,/
\,/
v
v
v
\-,
v
v
\./
\-/
v
\./
\./
\-,
Notice that
f(x) has
opposite signs
for the two final
estimates,
and that
the final estimates
are
not neighbors. This is
a
case
2b
solution. Figure
B-7 illustrates the function. The
final two
estimates
bracket a region
where
flr) is
undefined.
Figure B-7.
fftl
:
-.5
r-
t(x)
l
J
-1
I
1
B:
tore
About
the
SolYer
2t9