SLIDE 1 The first mathematical model
Dennis den Ouden-van der Horst
Modelling a rainbowfish population
SLIDE 2
Rainbowfish
Predict the number of rainbowfish in our aquarium over time.
SLIDE 3
Rainbowfish
: time in days : Number of rainbowfish Predict the number of rainbowfish in our aquarium over time.
SLIDE 4
Rainbowfish
: time in days : Number of rainbowfish Initially : fish Predict the number of rainbowfish in our aquarium over time.
SLIDE 5
Rainbowfish
: time in days : Number of rainbowfish Initially : fish Birth rate : per day Predict the number of rainbowfish in our aquarium over time.
SLIDE 6
Rainbowfish
: time in days : Number of rainbowfish Initially : fish Birth rate : per day Death rate : per day Predict the number of rainbowfish in our aquarium over time.
SLIDE 7
The balance equation
SLIDE 8
The balance equation
: small time interval
SLIDE 9
The balance equation
Change in during : : small time interval
SLIDE 10
The balance equation
Change in during : : small time interval
SLIDE 11
The balance equation
Change in during : : small time interval
SLIDE 12
The balance equation
Change in during : : small time interval
SLIDE 13
The balance equation
Change in during : : small time interval
SLIDE 14
The balance equation
Change in during : : small time interval
SLIDE 15
The balance equation
Change in during : : small time interval
SLIDE 16
The balance equation
Change in during : : small time interval
SLIDE 17
The balance equation
Change in during : : small time interval
SLIDE 18
The balance equation
Change in during : : small time interval
SLIDE 19
The balance equation
Change in during : : small time interval
SLIDE 20
The balance equation
Change in during : : small time interval
SLIDE 21
The balance equation
Change in during : : small time interval
SLIDE 22
The balance equation
Change in during : : small time interval
SLIDE 23
The differential equation
A differential equation is an equation containing a derivative.
Balance equation :
SLIDE 24
The differential equation
A differential equation is an equation containing a derivative. A derivative:
Balance equation :
SLIDE 25
The differential equation
A differential equation is an equation containing a derivative. A derivative:
Derivative of : Balance equation :
SLIDE 26
The differential equation
A differential equation is an equation containing a derivative. A derivative:
Derivative of : Balance equation :
SLIDE 27
The differential equation
A differential equation is an equation containing a derivative. A derivative:
Derivative of : Balance equation :
SLIDE 28
The differential equation
A differential equation is an equation containing a derivative. A derivative:
Derivative of : Balance equation :
SLIDE 29
The differential equation
SLIDE 30
The differential equation
SLIDE 31
The differential equation
SLIDE 32
The differential equation
SLIDE 33
The differential equation
SLIDE 34
The differential equation
SLIDE 35
Thank you for your attention!