Analysis Of Linear Systems
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Geography is very important in ecology. Two major systems have been designed to model this, island biogeography and metapopulations. The idea of metapopulations is more recent, and has emerged as the dominant theory. Metapopulations are populations in multiple neighboring areas. The population of a species in any individual area may go extinct, but the metapopulation still survives. The theory of metapopulations has gained momentum in...more
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The discussion of Gadamer and Hirsch continues in this lecture, which further examines the relationship between reading and interpretation. Through a comparative analysis of these theorists, Professor Paul Fry explores the difference between meaning and significance, the relationship between understanding and paraphrasing, and the nature of the gap between the reader and the text. Through Wolfgang Iser's essay, "The Reading Process," the...more
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Heat, conductivity, and thermal expansion are the discussed in this lecture. Both linear thermal expansion, leading to a need for expansion joints in railroad rails on hot days, and cubical thermal expansion, as occurs in a mercury thermometer, are covered in detail. The lectures ends with a focus on the cubical thermal expansion of water: the density of ice is about 8% lower than water, so ice cubes and icebergs float.
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Dell describes three critical inflection points in the business model of Dell, Inc.: 1) During the early stages of the company, expanding outside the United States, even though the company had very little capital and people; 2) An unprecedented on-site service program for PCs; and 3) Going into the server business. These decisions were made through fair amounts of discussion, data analysis, and observations of industry trends.
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In this final lecture on literary theory, Professor Paul Fry revisits the relationship between language and speech, language and intention, and language and communication. Over the course of this discussion, he retrospectively defines theory as a means of establishing the extent to which "it is legitimate to be suspicious of communication." Along the way, he reconnects with New Criticism, Jakobson, Bakhtin, Saussure, de Man, Fish, and...more
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The Concept of Underfitting and Overfitting, The Concept of Parametric Algorithms and Non-parametric Algorithms, Locally Weighted Regression, The Probabilistic Interpretation of Linear Regression, The motivation of Logistic Regression, Logistic Regression, Perceptron
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When Yahoo! was a small company sorting through websites, says President Sue Decker, it was easy to stay close to the customer through the three legs of their business; advertisers, users, and content publishers. But as they began their upward scale to 500 million users, the systems they had in place could not hold. Their size and focus, Decker reflects, blinded them to the needs of their customer for many years.
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Earl talks about how the majority of the products at EA are sequels that are released every year. The main decision for EA on these projects is budgeting how many people to work on each every year, he says. Occasionally, there is a new product idea. This idea must pass a lot of market opportunity analysis before it is launched because it is very expensive and risky to build a new product. Still, new products are seen as a critical part...more
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The Industrial Revolution in France is often said to have been entirely overshadowed by British industrial development. This analysis is inaccurate because it ignores the significance of domestic and other non-factory occupations. Indeed, it was the class of artisan workers, rather than industrial factory workers, who were first responsible for the organization of labor movements. One of the great innovations of the factory was the...more
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Bayesian Statistics and Regularization, Online Learning, Advice for Applying Machine Learning Algorithms, Debugging/fixing Learning Algorithms, Diagnostics for Bias & Variance, Optimization Algorithm Diagnostics, Diagnostic Example - Autonomous Helicopter, Error Analysis, Getting Started on a Learning Problem
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Optimal And Locally Optimal Points, Feasibility Problem, Convex Optimization Problem, Local And Global Optima, Optimality Criterion For Differentiable F0, Equivalent Convex Problems, Quasiconvex Optimization, Problem Families, Linear Program
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Continuous-Time Reachability, General State Transfer, Observability And State Estimation, State Estimation Set Up, State Estimation Problem, Observability Matrix, Least-Squares Observers, Some Parting Thoughts..., Linear Algebra, Levels Of Understanding, What's Next
