fourier series
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October 12, 2007 lecture by Paul Dourish for the Stanford University Human-Computer Interaction Seminar. Mobility is no longer sufficient; location-tracking is a key feature. However, the introduction of location-based technologies has traditionally been accompanied by a series of concerns over privacy. These discussions, though, adopt a fairly reductive model of privacy, concerned primarily with the trade-offs involved in service provisio...more
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August 31, 2006 presentation by Julie Baker and Hank Greely for the Stanford University Office of Science Outreach's Summer Science Lecture Series. Julie Baker, Assistant Professor of Genetics and Hank Greely, Professor of Law and Genetics discuss human embryonic stem cells, one of the most promising, most complicated and most controversial areas of contemporary biomedical research.
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August 21, 2008 presentation by Stacey Bent for the Stanford University Office of Science Outreach's Summer Science Lecture Series. Meeting the world's growing energy needs in a sustainable fashion is one of the most pressing problems of our time. Professor Bent introduces the scope of the energy problem and some of the options for sustainable energy, then will focus on two main devices: solar cells and fuel cells. Solar cells convert t...more
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Environment 185A: Sustainable Living is a sub-division of the Education for Sustainable Living Program (ESLP). ESLP is a student designed, student developed, and student facilitated program offered through the Institute of the Environment. The Speaker Series brings guest speakers from UCLA and across the country to speak on specialized subjects including food systems, green business, organic gardens, sustainable living, the green economy, ...more
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Discrete-time fourier transforms and sampling theorem
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Introduction to the arithmetic and geometric series.
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Finding the sum of an infinite geometric series.
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Figuring out the formula for fixed mortgage payments using the sum of a geometric series.
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Winblad explains that very few Series A investments were done in 2002. However, a lot more were done in 2003 and will be done in 2004, she says. The reasons for the decline since 2000 include: restart dollars were competing with the A round dollars; corporate investors disappeared (excpet Intel); and individual investing declined. Additionally, during this era, VCs were doing deals individually, creating twice as many A round deals and ...more
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Suppose you have a perfect model of contingent mortgage prepayments, like the one built in the previous lecture. You are willing to bet on your prepayment forecasts, but not on which way interest rates will move. Hedging lets you mitigate the extra risk, so that you only have to rely on being right about what you know. The trouble with hedging is that there are so many things that can happen over the 30-year life of a mortgage. Even if int...more
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Approximating cos x with a Maclaurin series.
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A glimpse of the mystery of the Universe as we approximate e^x with an infinite series.
