Programming Assignment 5: Functions
coursera.cs.princeton.edu › introcs › assignmentsProgramming Assignment 5: Functions. Activation functions. Write a program ActivationFunction.java to compute various activation functions that arise in neural networks . An activation function is a function that maps real numbers into a desired range, such as between 0 and 1 or between –1 and +1. The Heaviside step function is given by.
How to Evaluate the Logistic Loss and not NaN trying
fa.bianp.net › blog › 2019Sep 27, 2019 · A closer look at the log-sigmoid. Log-sigmoid function in the interval [-5, 5]. The issues encountered before happen during the evaluation of the log-sigmoid function $\log(s(\cdot))$. Therefore we take a closer look into this function and examine its accuracy. We will compare the following 3 different implementations: 1. naive. Directly ...