The B deme's size was 4029 until 8981.0 generations ago, when it began a exponential change, reaching 6390 individuals by 2964.3. After this period, the population underwent an exponential change, reaching 2383 individuals by 2926.78. From 2926.78 generations ago to now, the population grew from 2383 to 6638 at a linear rate.
time_units: generations
demes:
  - name: B
    start_time: .inf
    epochs:
      - start_size: 4029
        end_time: 8981.0
      - start_size: 4029
        end_size: 6390
        end_time: 2964.3
        size_function: exponential
      - start_size: 6390
        end_time: 2926.78
        end_size: 2383
        size_function: exponential
      - end_time: 0
        start_size: 2383
        end_size: 6638
        size_function: linear