public void backward()
{
int inSize, outSize;
var countExamples = 3;
inSize = outSize = 5;
var input = MatrixD.Build.Random(countExamples, inSize);
var layer = new BiasLayer(inSize);
var nextGradients = MatrixD.Build.Random(countExamples, outSize);
Assert.IsTrue(layer.backward(input, nextGradients).EEquals(nextGradients));
}
