<s>
Powell	B-Algorithm
's	I-Algorithm
method	I-Algorithm
,	O
strictly	O
Powell	O
's	O
conjugate	O
direction	O
method	O
,	O
is	O
an	O
algorithm	O
proposed	O
by	O
Michael	O
J	O
.	O
D	O
.	O
Powell	O
for	O
finding	O
a	O
local	O
minimum	O
of	O
a	O
function	O
.	O
</s>
<s>
The	O
bi-directional	O
line	O
search	O
along	O
each	O
search	O
vector	O
can	O
be	O
done	O
by	O
Golden-section	B-Algorithm
search	I-Algorithm
or	O
Brent	O
's	O
method	O
.	O
</s>
