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Welcome and Overview
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Self-Similarity Dimension
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Some Properties and Features of Fractals
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Exponent and Logarithm Review (Optional)
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Video (10:00) Exponent Properties
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Quiz 1: Exponent Properties
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Quiz 2: More Exponent Properties
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Video (5:50) Logarithm definition
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Quiz 3: Logarithm Basics
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Solution to Quiz 3 (5:00)
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Video (5:40) Logarithm properties
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Quiz 4: Logarithm properties
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Solution to Quiz 4 (2:01)
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Video (2:16) Using logarithms
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Quiz 5: Using logarithms
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Solution to Quiz 5 (4:55)
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Video (4:04) Logarithms: different bases
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Summary
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Homework (Optional)
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Test
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Introduction
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Fractals via Deterministic Iteration
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Adding a Bit of Randomness
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The Chaos Game
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Diffusion-Limited Aggregation
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Summary
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Programs and Resources
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Homework (Optional)
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Test
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Introduction
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Basic Box-Counting
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Box-Counting in Practice
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Video (8:39) Introduction: s must be small
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Video (15:08) Box-counting a circle
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Quiz 1: Box-counting the Koch curve
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Quiz 2: The dimension of the Koch curve
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Video (7:26) Log-log plots
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Video (11:31) Log-log plot for a square
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Quiz 3: Log-log plots
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Video (2:10) Solution to quiz 3
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Video (11:03) Log-log plots: practicalities and issues
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Thinking about Dimensions
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Summary
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Homework (Optional)
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Test
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Introduction
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An Initial Example: Word Frequency
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Other Distributions
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Properties of Power Laws
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When do Averages Exist?
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Interview: Nick Watkins
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Summary
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Homework (Optional)
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Introduction
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Cumulative Distributions and Rank/Frequency Plots
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Estimating the Exponent
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Other Long-tailed Distributions
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Summary
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Additional Resources
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Homework (Optional)
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Test
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Introduction
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Rich-get-Richer Models
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Combinations of Exponentials
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Multiplicative Processes
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Optimization
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Phase Transitions?
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Homework (Optional)
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Additional Resources
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Test
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Introduction
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Metabolic Scaling
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WBE Theory of Metabolic Scaling
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Interview: Van Savage
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Interview: Geoffrey West
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Additional Resources
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Homework (Optional)
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Test
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Introduction
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Empirical Results
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A Theory of Urban Scaling?
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Interview: Christa Brelsford
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Interview: Luis Bettencourt
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Homework (Optional)
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Test
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Additional Resources
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Summary
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Farewell
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4.9 Test » Coming soon...
The text for Unit 4 will be posted on Fridacy, March 3.