init method
Set initial values to weights and biases
dims
parametr is input vector length
For weights w is used Matrix(m, n, seed)
constructor with He-normal initialization
For biases b is used Matrix.zeros(n: n, m: 1)
constructor
Implementation
@override
void init([dynamic dims]) {
_prevDim = (dims as int);
w = Matrix(n: units, m: _prevDim!, seed: 3);
b = Matrix.zero(n: units, m: 1);
wasInitialized = true;
}