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Table 2 List of adjustable parameters, limits, and selected optimal values

From: Evolution of response dynamics underlying bacterial chemotaxis

 

α 0

λ

λ Lin

λ Adapt

β

Limits

0.01-100.0

0.0-100.0

0.0-100.0

0.0-100.0

0.01-100.0

d = 0.001, | = 1000.0

     

   Linear response

0.01

3.6

-

-

0.02

   Adaptive response

0.01

100.0

-

-

100.0

   Inverted adaptive response

0.01

1.8**

  

0.01

   Hybrid response:

     

λLin+ λ Adapt = 0.1

0.01

-

0.1

0.0

0.01

λLin+ λ Adapt = 1.0

0.01

 

0.76

0.24

0.01

λLin+ λ Adapt = 100.0*

0.01

 

20.0

80.0

5.2

λLin+ λ Adapt = 100.0*

0.01

 

15.0

85.0

100.0

  1. *These solutions have nearly identical localisation with attractant. **This corresponds to a normal adaptive response with λ = -1.8.