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pre-commit-ci[bot] 2023-06-20 14:37:16 +00:00
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16
neural_network/activation_functions/mish_activation.py
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@ -17,17 +17,17 @@ from maths.tanh import tangent_hyperbolic as tanh
def mish_activation(vector: np.ndarray) -> np.ndarray:
"""
Implements the Mish function
Implements the Mish function
Parameters:
vector: np.array
Parameters:
vector: np.array
Returns:
Mish (np.array): The input numpy array after applying tanh.
Returns:
Mish (np.array): The input numpy array after applying tanh.
mathematically, mish = x * tanh(softplus(x) where
softplus = ln(1+e^(x)) and tanh = (e^x - e^(-x))/(e^x + e^(-x))
so, mish can be written as x * (2/(1+e^(-2 * softplus))-1
mathematically, mish = x * tanh(softplus(x) where
softplus = ln(1+e^(x)) and tanh = (e^x - e^(-x))/(e^x + e^(-x))
so, mish can be written as x * (2/(1+e^(-2 * softplus))-1
"""
soft_plus = np.log(np.exp(vector) + 1)