By Rob Eastaway, Jeremy Wyndham

ISBN-10: 1909396613

ISBN-13: 9781909396616

Why do climate forecasters go wrong? What are the simplest strategies for playing"Who desires to be a Millionaire?"and"The Weakest Link"? and what's the hyperlink among a tin of baked beans and a men's urinal? those and lots of different questions are responded during this publication.

It is for someone eager to remind themselves - or detect for the 1st time - that maths is appropriate to nearly every little thing we do. relationship, cooking, vacationing through motor vehicle, playing and rating sportsmen all have hyperlinks with exciting mathematical difficulties which are defined during this booklet. It unearths the secrets and techniques in the back of the very best con methods and the hidden workings of the taxi meter, and explains how epidemics begin and stop.

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Thus the probability that the neuron does not fire at time j is 1 — /(y*7 • w-7). a n ,... Cognition as generalized language 35 A little more work leads to a fairly standard neural network model in which the network is trained by appropriately varying the w through least squares or other error minimization feedback. This can be shown to, essentially, replicate rate distortion arguments, as we can use the error definition to define a distortion function d(y, y) which measures the difference between the training pattern y and the network output y as a function of, for example, the inverse number of training cycles, K.

1999) and the generalization by Parker et al. (2003, fig. 1) observe bifurcations which Tishby et al. (1999) in fact describe as "[bifurcating] at some finite (critical) [parameter], through a second-order phase transition... " Both groups treat such phenomena as sidelights to an optimization calculation, while here we take them as central to the enterprise. Further from the critical point, matters are more complicated, appearing to involve Generalized Onsager Relations and a kind of thermodynamics associated with a Legendre transform of H: S = H - KdH/dK (Wallace, 2002a).

Activation of universality class tuning, the model's version of attentional focusing, then becomes itself a punctuated event in response to increasing linkage between the organism and an external structured signal or some particular system of internal events. The Fluctuating Dynamic Threshold 53 This iterated argument exactly parallels the extension of the General Linear Model to the Hierarchical Linear Model in regression theory (Byrk and Raudenbusch, 2001). 3. Following recent arguments of Gillooly et al.

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How Long Is a Piece of String?: More Hidden Mathematics of Everyday Life by Rob Eastaway, Jeremy Wyndham


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