feedforward.js

  feedforward(inputArray) {
    inputArray = this.normalize(inputArray)
    const input = Matrix.fromArray(inputArray)
    const hidden = this.calculateFF(
      input,
      this.weightsInputToHidden,
      this.biasForHidden
    )
    const output = this.calculateFF(
      hidden,
      this.weightsHiddenToOutput,
      this.biasForOutput
    )
    return { output, hidden, input }
  }