{ "cells": [ { "cell_type": "markdown", "id": "20fce00f", "metadata": {}, "source": [ "### Deep Learning\n", "#### Sigmoid functions: Some examples \n", "$f(x)=\\frac{1}{1+e^{-x}}, f(x)=tanhx, f(x)=arctanx, f(x)=erf(x), f(x)=\\frac{x}{\\sqrt{1+x^2}}$\n", "