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| Appendix III |
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Graphs and data from http://www.math.duke.edu/education/ccp/materials/diffeq/logistic/logi1.html
Figure 1: Graphical comparison of exponential and logistic growth functions
| Table 1. |
| Data Available to Verhulst |
| 1790 | 3.929 |
| 1800 | 5.308 |
| 1810 | 7.24 |
| 1820 | 9.638 |
| 1830 | 12.866 |
| 1840 | 17.069 |
Figure 2: Data available to Verhulst
Figure 3: U.S. census data to 1940 and Verhulst's prediction
Figure 4: U.S. census data to 1990 and Verhulst's prediction
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