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--- tutorial_15-implementing_using_one_compartment [2023/04/03 17:14]
dmytroh
+++ tutorial_15-implementing_using_one_compartment [2023/04/03 17:38] (current)
dmytroh
@@ Line 6: / Line 6: @@
 ====Option 1====
+Create parameters according to table below:
+^Parameter          ^Unit      ^Value ^Description                                                     ^
+|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 of rabbits due to predation        |
+|e                  |F/R       |0.1   |the efficiency of turning predated rabbits into foxes           |
+|Init_population                  |n       |   |Initial animal population        |
+Values for parameter Initial population:
+  * //Init_population[Rabbits]= 1000//
+  * //Init_population[Foxes]= 4//
+Create source, sink, compartments and transfer according to picture below:
 {{rabbitfoxmodel3.png?600}}
@@ Line 18: / Line 33: @@
   * For //Animals[Foxes] = Init_population//
-Values for parameter Initial population:
-  * //Init_population[Rabbits]= 1000//
-  * //Init_population[Foxes]= 4//
 ====Option 2====
+Create parameters according to table below:
-**Initial Conditions** for compartment:
+^Parameter          ^Unit      ^Value ^Description                                                     ^
-  * For //Animals[Rabbits] = Init_population//
+|a                  |1/year    |0.04  |the natural growth rate of rabbits in the absence of predation  |
-  * For //Animals[Foxes] = Init_population//
+|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 of rabbits due to predation        |
+|e                  |F/R       |0.1   |the efficiency of turning predated rabbits into foxes           |
+Create only one compartment with name //Animals//.
+{{rabbitfoxmodel4.png}}
+**Initial Conditions** for compartment:
+  * For //Animals[Rabbits] = 1000//
+  * For //Animals[Foxes] = 4//
 **dy/dt** for compartment:
-  * Rabbits: //dAnimal/dt=Animal[Rabbits]·a-b·Animal[Rabbits]·Animal[Foxes]//
+  * Rabbits: //dAnimals/dt=Animals[Rabbits]·a-b·Animals[Rabbits]·Animals[Foxes]//
-  * Foxes: //dAnimal/dt=Animal[Rabbits]·Animal[Foxes]·e·b-c·Animal[Foxes]//
+  * Foxes: //dAnimals/dt=Animals[Rabbits]·Animals[Foxes]·e·b-c·Animals[Foxes]//
@@ Line 39: / Line 62: @@
 **Solution to the excersise**
+  * {{lotka-volterra.eco}}
-  * {{tutorial:Lotka-Volterra.eco?linkonly}}
+  * old one {{tutorial:Lotka-Volterra.eco?linkonly}}

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