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Research Project Year:
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Research Project Description:
The goal in this project was to develop a mathematical model that can be used to simulate the behaviors of a school of fish, and thereby increase the general understanding of the behavior patterns of migrating schools.
Using what is known about how fish sense changes in their environment and use information to navigate (see the work of Czirok & Vicsek (1999), and Partridge (1980, 1982)), we can use mathematics in a computer program to mimic certain known collective behaviors of a school of fish. The unpredictability of living organisms can be simulated with random numbers in the program. If these behaviors can be modeled in such a way as to leave room for data-driven parameters such as ocean currents, temperature data, food availability, etc. to be input, fisheries resource managers and scientists can better predict the size and directions of migrating or stationary schools of fish. This model uses discrete equations to give solutions for localized behaviors. Similar models using continuous equations can be used to study global behaviors, and three-dimensional adaptations are possible. The model may also be applicable to other organisms, and even robotics and computer animation technologies.
Research Project Attachments:
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Download 2006 Research Project as a PDF file | 184.43 KB |
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This project will produce a classroom-ready unit for a high-school Algebra 2 class that focuses almost exclusively on the skills of transforming functions. It uses six function families: quadratic, cubic, absolute value, square root, exponential and linear. The product includes teacher notes and suggestions, student activities, homework practice problems, quizzes and tests as well as all solutions, all done in a flexible Microsoft Word format. The technology requirements are nothing more than graphing calculators. My RET I experience involved a great deal of trial-and-error work with efforts to use a computer model to simulate the behaviors of schooling fish. We found solutions by making conjectures about certain parameters in the model and observing the behavior of the model using our conjectures. I believe high school students can learn about transforming functions in much the same way, working collaboratively with guided inquiry activities.
Curriculum Project Attachments:
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View 2007 curriculum project presentation. | 812 KB |
Workshop handout 1 | 156.5 KB |
Workshop handout 2 | 278.5 KB |
Workshop handout 3 | 295 KB |
Workshop handout 4 | 215 KB |
Workshop handout 5 | 264 KB |