<s>
In	O
mathematics	O
and	O
mathematical	O
biology	O
,	O
the	O
Mackey	B-Algorithm
–	I-Algorithm
Glass	I-Algorithm
equations	I-Algorithm
,	O
named	O
after	O
Michael	O
Mackey	O
and	O
Leon	O
Glass	O
,	O
refer	O
to	O
a	O
family	O
of	O
delay	O
differential	O
equations	O
whose	O
behaviour	O
manages	O
to	O
mimic	O
both	O
healthy	O
and	O
pathological	O
behaviour	O
in	O
certain	O
biological	O
contexts	O
,	O
controlled	O
by	O
the	O
equation	O
's	O
parameters	O
.	O
</s>
<s>
An	O
increase	O
in	O
this	O
delay	O
can	O
be	O
caused	O
by	O
a	O
pathology	O
,	O
which	O
in	O
turn	O
can	O
result	O
in	O
chaotic	O
solutions	O
for	O
the	O
Mackey	B-Algorithm
–	I-Algorithm
Glass	I-Algorithm
equations	I-Algorithm
,	O
especially	O
Equation	O
(	O
)	O
.	O
</s>
<s>
This	O
is	O
somewhat	O
justified	O
because	O
delay	O
differential	O
equations	O
can	O
(	O
sometimes	O
)	O
be	O
reduced	O
to	O
a	O
system	O
of	O
ordinary	O
differential	O
equations	O
,	O
and	O
also	O
because	O
they	O
are	O
approximately	O
infinite	O
dimensional	O
maps	B-Algorithm
.	O
</s>
