| 1. What is Modeling |
| 1.1 Models and Reality |
| 1.2 Properties of Models |
| 1.3 Building a Model |
| 1.4 An Example |
| 1.5 Another Example; Problems |
| 1.6 Why Study Modeling? |
| Part I. Elementary methods |
| 2. Arguments from Scale |
| 2.1 Effects of Size; Costs of Packaging; Speed of Racing Shells; Size Effects in Animals; Problems |
| 2.2 Dimensional Analysis; Theoretical Background; The Period of a Perfect Pendulum; Scale Models of Structures; Problems |
| 3. Graphical Methods |
| 3.1 Using Graphs in Modeling |
| 3.2 Comparative Statics; The Nuclear Missile Arms Race; Biogeography: Diversity of Species on Islands; Theory of the Firm; Problems |
| 3.3 Stability Questions; Cobweb Models in Economics; Small Group Dynamics; Problems |
| 4. Basic Optimization |
| 4.1 Optimization by Differentiation; Maintaining Inventories; Geometry of Blood vessels; Fighting forest Fires; Problems |
| 4.2 Graphical Methods; A Bartering Model; Changing Environment and Optimal Phenotype; Problems |
| 5. Basic Probability |
| 5.1 Analytic Models; Sex Preference and Sex Ratio; Making Simple Choices; Problems |
| 5.2 Monte Carlo Simulation; A Doctor's Waiting Room; Sediment Volume; Stream Networks; Problems; A Table of 3000 Random Digits |
| 6. Potpourri; Desert Lizards and Radiant Energy; Are Fair Election Procedures Possible?; Impaired Carbon Dioxide Elimination; Problems |
| Part 2. More Advanced Methods |
| 7. Approaches to Differential Equations |
| 7.1 General Discussion |
| 7.2 Limitations of Analytic Solutions |
| 7.3 Alternative Approaches |
| 7.4 Topics Not Discussed |
| 8. Quantitative Differential Equations |
| 8.1 Analytical Methods; Pollution of the Great Lakes; The Left Turn Squeeze; Long Chain Polymers; Problems |
| 8.2 Numerical Methods; Towing a Water Skier; A Ballistics Problem; Problems; The Heun Method |
| 9. Local Stability Theory |
| 9.1 Autonomous systems |
| 9.2 Differential Equations; Theoretical Background; Frictional Damping of a Pendulum; Species Interaction and Population Size; Keynesian Economics; More Complicated Situations; Problems |
| 9.3 Differential-Difference Equations; The Dynamics of Car Following; Problems |
| 9.4 Comments on Global Methods; Problem |
| 10. More Probability; Radioactive Decay; Optimal Facility Location; Distribution of Particle Sizes; Problems |
| Appendix. Some probabilistic Background |
| A.1 The Notion of Probability |
| A.2 Random Variables |
| A.3 Bernoulli Trials |
| A.4 Infinite Events Sets |
| A.5 The Normal Distribution |
| A.6 Generating Random Numbers |
| A.7 Least Squares |
| A.8 The Poisson and Exponential Distributions |
| References; A Guide to Model Topics; Index |