For example:
f[{x_, y_}] := {1.01 x - 3*10^-5*x*y, 0.98 y + 10^-5*x*y}
The fix point iteration can then be handled by FixedPointList:
FixedPointList[f, {1000, 100}, 1000]
Plotting the result componentwise:
ListLinePlot[{%%[[All, 1]], %%[[All, 2]]}]
f[{x_, y_}] := {1.01 x - 3*10^-5*x*y, 0.98 y + 10^-5*x*y}
The fix point iteration can then be handled by FixedPointList:
FixedPointList[f, {1000, 100}, 1000]
Plotting the result componentwise:
ListLinePlot[{%%[[All, 1]], %%[[All, 2]]}]