tutorial_15-implementing_using_one_compartment
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tutorial_15-implementing_using_one_compartment [2023/04/03 16:11] dmytroh |
tutorial_15-implementing_using_one_compartment [2023/04/03 17:38] (current) dmytroh |
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| ====Option 1==== | ====Option 1==== | ||
| + | |||
| + | Create parameters according to table below: | ||
| + | |||
| + | ^Parameter | ||
| + | |a |1/ | ||
| + | |c |1/ | ||
| + | |b |1/(year F)|5.0E-4|the death rate per encounter of rabbits due to predation | ||
| + | |e |F/R | ||
| + | |Init_population | ||
| + | |||
| + | Values for parameter Initial population: | ||
| + | * // | ||
| + | * // | ||
| + | |||
| + | Create source, sink, compartments and transfer according to picture below: | ||
| + | {{rabbitfoxmodel3.png? | ||
| + | |||
| Equations for Transfers: | Equations for Transfers: | ||
| * // | * // | ||
| Line 12: | Line 29: | ||
| * // | * // | ||
| - | Initial Conditions for compartment: | + | **Initial Conditions** for compartment: |
| * For // | * For // | ||
| * For // | * For // | ||
| - | Init_population[Rabbits]= 1000 | ||
| - | Init_population[Foxes]= 4 | ||
| - | < | ||
| - | <table xmlns=" | ||
| - | < | ||
| - | <td style=" | ||
| - | <td style=" | ||
| - | <td style=" | ||
| - | </ | ||
| - | < | ||
| - | <td style=" | ||
| - | <td style=" | ||
| - | <td style=" | ||
| - | </ | ||
| - | < | ||
| - | <td style=" | ||
| - | <td style=" | ||
| - | <td style=" | ||
| - | </ | ||
| - | </ | ||
| - | </ | ||
| - | //'' | + | |
| + | ====Option 2==== | ||
| + | Create parameters according to table below: | ||
| + | |||
| + | ^Parameter | ||
| + | |a |1/year |0.04 |the natural growth rate of rabbits in the absence of predation | ||
| + | |c |1/year |0.2 |the natural death rate of foxes in the absence of food (rabbits)| | ||
| + | |b |1/(year F)|5.0E-4|the death rate per encounter | ||
| + | |e |F/R | ||
| + | |||
| + | Create only one compartment with name // | ||
| + | |||
| + | {{rabbitfoxmodel4.png}} | ||
| + | |||
| + | **Initial Conditions** for compartment: | ||
| + | * For // | ||
| + | * For // | ||
| + | |||
| + | **dy/dt** for compartment: | ||
| + | * Rabbits: // | ||
| + | * Foxes: // | ||
| Line 45: | Line 62: | ||
| **Solution to the excersise** | **Solution to the excersise** | ||
| - | + | * {{lotka-volterra.eco}} | |
| - | * {{tutorial: | + | * old one {{tutorial: |
tutorial_15-implementing_using_one_compartment.1680531119.txt.gz · Last modified: 2023/04/03 16:11 by dmytroh
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