alleryStart learning →The tanh function squashes its input to which interval?
AThe interval (-1, 1)
BThe interval (-∞, ∞)
CThe interval [0, ∞)
DThe interval (0, 1)
Answer & Solution
Correct answer: A. The interval (-1, 1)
tanh(x) = (1 - exp(-2x)) / (1 + exp(-2x)) maps ℝ into (-1, 1).
It is point-symmetric about the origin, unlike sigmoid which is centred at 0.5.
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