<s>
In	O
mathematics	O
,	O
a	O
bidiagonal	B-Algorithm
matrix	I-Algorithm
is	O
a	O
banded	B-Algorithm
matrix	I-Algorithm
with	O
non-zero	O
entries	O
along	O
the	O
main	O
diagonal	O
and	O
either	O
the	O
diagonal	O
above	O
or	O
the	O
diagonal	O
below	O
.	O
</s>
<s>
Bidiagonalization	O
allows	O
guaranteed	O
accuracy	O
when	O
using	O
floating-point	B-Algorithm
arithmetic	I-Algorithm
to	O
compute	O
singular	O
values	O
.	O
</s>
