Research Article

Dynamical Analysis on a Malaria Model with Relapse Preventive Treatment and Saturated Fumigation

Table 3

Possible number of positive roots of polynomial , when .

CasePossible positive roots

1++++++1
2+++++1 or 3
3+++++1 or 3
4++++1 or 3
5+++++1 or 3
6++++1, 3, or 5
7++++1 or 3
8+++1 or 3
9+++++1 or 3
10++++1, 3, or 5
11++++1, 3, or 5
12+++1, 3, or 5
13++++1 or 3
14+++1, 3, or 5
15+++1 or 3
16++1 or 3
17+++++1
18++++1 or 3
19++++1 or 3
20+++1 or 3
21++++1 or 3
22+++1, 3, or 5
23+++1 or 3
24++1 or 3
25++++1
26+++1 or 3
27+++1 or 3
28++1 or 3
29+++1
30++1 or 3
31++1
32+1