<s>
In	O
mathematics	O
,	O
a	O
Kochanek	B-Algorithm
–	I-Algorithm
Bartels	I-Algorithm
spline	I-Algorithm
or	O
Kochanek	O
–	O
Bartels	O
curve	O
is	O
a	O
cubic	B-Algorithm
Hermite	I-Algorithm
spline	I-Algorithm
with	O
tension	O
,	O
bias	O
,	O
and	O
continuity	O
parameters	O
defined	O
to	O
change	O
the	O
behavior	O
of	O
the	O
tangents	O
.	O
</s>
<s>
Given	O
n	O
+	O
1	O
knots	B-Algorithm
,	O
</s>
<s>
Setting	O
each	O
parameter	O
to	O
zero	O
would	O
give	O
a	O
Catmull	O
–	O
Rom	O
spline	B-Algorithm
.	O
</s>
<s>
The	O
code	O
includes	O
matrix	O
summary	O
needed	O
to	O
generate	O
these	O
splines	B-Algorithm
in	O
a	O
BASIC	O
dialect	O
.	O
</s>
