Archive for August, 2004

Internal Rate of Return

Sunday, August 22nd, 2004

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The internal rate of return (IRR) is a measure that allows for comparisons to be drawn between various investments. In technical terms, the IRR is the discount rate that sets the net present value of the investment to zero. It is of particular use in valuing bonds (the yield to maturity).

Article examines IRR through example compound/discount calculations and examination of income streams.

St. Petersburg Paradox

Wednesday, August 4th, 2004

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A demonstration of how expectation without a notion of utility causes problems in probability theory.

General linear group

Sunday, August 1st, 2004

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First introduction to group theory via the properties of the general linear group.