Modelling In Vivo HIV Dynamics under Combined Antiretroviral Treatment

Table 1

Roots of characteristic equation (27).

cases					no. of sign changes	no. of real -ve roots
1	-	+	-		2	2,0
2	-	-	-		0	0
3	+	+	-		1	0
4	+	-	-		1	0
5	-	+	+		1	0
6	-	-	+		1	0
7	+	+	+		0	0
8	+	-	+		2	2,0