Seq2Seq Decoder Step

Problem

Compute one recurrent decoder step with a single weight: tanh(weight * hidden + x).

Return the new hidden value.

Hint

tanh squashes the pre-activation into (-1, 1).

case 1

in: [0,1,0.5]

expected: 0.7615941559557649

case 2

in: [1,0,1]

expected: 0.7615941559557649

case 3

in: [0,0,0.5]

expected: 0

case 4

in: [1,1,0.5]

expected: 0.9051482536448664

Starter codePython

import math
def seq2seq_decoder_step(hidden, x, weight):
    # Your code here
    pass

4 test cases · run your code against them in the editor