When should a neuron “fire” with a dynamic number of connections?

Question

Programming

When all the weights of incoming links are placed, or not necessarily, and if not, what will the function look like that can work with a constant different number and values ​​of link weights?

Answer 1

The function (called the activation function in science) is selected in accordance with the desire of the researcher’s left heel, the logistic function

and the threshold

function are now in trend. weights, nor on the number of inputs.
Read it on Wikipedia , it's really well written.

with constant different

How, sorry?

Answer 2

In the head, of course, they are not static, but the ANN is not a head, but a model. A model is a model to simplify reality.
In this connection, the last question is meaningless, in classical ANNs there is not an “impulse”, but an input value (number), and they (input values) are either all at once or not.

Answer 3

you can pay attention to the frequency and refractory period