Republic of Mathematics blog

The chart below shows a sudden change in the growth rate of Facebook fans for  Wikileaks: When linear growth becomes exponential the underlying mechanism driving growth has changed. Clearly something happened prior to, prescription or around, physician November 28 to change the model of fan acqusition to the Wikileaks Facebook page. This is not just […]

Fibonacci numbers   The sequence of Fibonacci numbers begins . The defining feature of these numbers is that each is the sum of the preceding two: . We can write this defining property as a recurrence relation by naming the Fibonacci number , starting from . So, . The recurrence for the is then: x […]