Sentences with phrase «sigmoid functions»

It consists of the sum of three scaled shifted sigmoid functions.

And, it happens to illustrate why a sigmoid function is inappropriate in this situation.

Not exact matches

So extrapolations by fitting a function that resembles a sigmoid - shaped trajectory may make more sense, but even that, as shown in the figure, yields a much earlier prediction of an ice - free Arctic than can be expected from the CCSM4 ensemble.

Shallow coastal waters that cool quickly may provide lingering April ice in the Arctic in 120 years or so, justifying a sigmoid treatment of the source function at that time, but perhaps it is not appropriately applied to September data now.

Here's a bit of Fawlty Language doggerel that illustrates how chi - by - eye might see a sigmoid but in fact the function is linear.