| # The MIT License (MIT) | |
| # | |
| # Copyright (c) 2014 Matthias Eisen (http://www.matthiaseisen.com) | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy | |
| # of this software and associated documentation files (the "Software"), to deal | |
| # in the Software without restriction, including without limitation the rights | |
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| # copies of the Software, and to permit persons to whom the Software is | |
| # furnished to do so, subject to the following conditions: |
| from reportlab.pdfgen import canvas | |
| from reportlab.lib.pagesizes import A4 | |
| from reportlab.lib.units import mm | |
| c = canvas.Canvas("hello.pdf", pagesize=A4) | |
| width, height = A4 | |
| numv = int((width - ((4 + 4) * mm)) / (5 * mm)) | |
| numh = int((height / 2.0 - ((12.5 + 2) * mm)) / (5 * mm)) | |
| voff = (width - numv * 5 * mm) / 2.0 |
| # You don't need to use "import" for built-in fuctions when using them. | |
| # We will see a few examples of frequently used built-in functions. | |
| # You can see more here: https://docs.python.org/3/library/functions.html | |
| # Built-in fuctions we have used so far. | |
| # input() | |
| name = input('Please type in your name: ') | |
| # print() | |
| print('Hello', name) |
| countries = [ | |
| {'timezones': ['Europe/Andorra'], 'code': 'AD', 'continent': 'Europe', 'name': 'Andorra', 'capital': 'Andorra la Vella'}, | |
| {'timezones': ['Asia/Kabul'], 'code': 'AF', 'continent': 'Asia', 'name': 'Afghanistan', 'capital': 'Kabul'}, | |
| {'timezones': ['America/Antigua'], 'code': 'AG', 'continent': 'North America', 'name': 'Antigua and Barbuda', 'capital': "St. John's"}, | |
| {'timezones': ['Europe/Tirane'], 'code': 'AL', 'continent': 'Europe', 'name': 'Albania', 'capital': 'Tirana'}, | |
| {'timezones': ['Asia/Yerevan'], 'code': 'AM', 'continent': 'Asia', 'name': 'Armenia', 'capital': 'Yerevan'}, | |
| {'timezones': ['Africa/Luanda'], 'code': 'AO', 'continent': 'Africa', 'name': 'Angola', 'capital': 'Luanda'}, | |
| {'timezones': ['America/Argentina/Buenos_Aires', 'America/Argentina/Cordoba', 'America/Argentina/Jujuy', 'America/Argentina/Tucuman', 'America/Argentina/Catamarca', 'America/Argentina/La_Rioja', 'America/Argentina/San_Juan', 'America/Argentina/Mendoza', 'America/Argentina/Rio_Gallegos', 'America/Argentina/Ushuai |
The IPython Notebook has two different keyboard input modes. Edit mode allows you to type code/text into a cell and is indicated by a green cell border. Command mode binds the keyboard to notebook level actions and is indicated by a grey cell border.
| __author__ = 'Jeremy Chen' | |
| def merge_sort(unsorted): | |
| sorted_ = [] | |
| length = len(unsorted) | |
| if length == 1: | |
| sorted_ = unsorted |
| def num_buses(n): | |
| """ (int) -> int | |
| Precondition: n >= 0 | |
| Return the minimum number of buses required to transport n people. | |
| Each bus can hold 50 people. | |
| >>> num_buses(75) | |
| 2 |
| from PIL import ( | |
| Image, | |
| ImageDraw, | |
| ImageFont, | |
| ) | |
| #SIZE = (100, 100) | |
| base = Image.open('images/lena.png').convert('RGBA') | |
| text = Image.new('RGBA', base.size, (255, 255, 255, 0)) | |
| # Chinese Fonts |
| <html> | |
| <head> | |
| <script src="https://cdn.jsdelivr.net/npm/p5@1.1.9/lib/p5.js"></script> | |
| <script type="text/javascript" | |
| src="https://cdn.rawgit.com/brython-dev/brython/master/www/src/brython.js"> | |
| </script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/brython/3.8.10/brython.min.js" integrity="sha512-vaUMOYK2BF2hTTOXyvh7IoMaY6dDi7WkcywhsyX7XmASXxyZITWmsNK08VVQQwLrcsyGVXsypUNL/rbCeCpyLw==" crossorigin="anonymous"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/brython/3.8.10/brython_stdlib.min.js" integrity="sha512-CRKDjWdmHDkAJF/3fn4TFNRQkMybzRW41h92BUXM/n4bRMkOpfoO9t7saEw7BN/JstEu9LmYn0tTku+wY6jixw==" crossorigin="anonymous"></script> |
| \begin{align*} | |
| \frac{dL}{dz^{[1]}} = & \frac{dL}{da^{[1]}} \times \frac{da^{[1]}}{dz^{[1]}} \\ | |
| & = \frac{dz^{[2]}}{da^{[1]}} \frac{dL}{dz^{[2]}} \times \frac{da^{[1]}}{dz^{[1]}} \\ | |
| & = \frac{d(W^{[2]}{^T}a^{[1]})}{d a^{[1]}} {\bf dz^{[2]}} \times \frac{da^{[1]}}{dz^{[1]}} \\ | |
| & = W^{[2]}{^T} {\bf dz^{[2]}} \times \frac{da^{[1]}}{dz^{[1]}} \\ | |
| & = \frac{W^{[2]}{^T}}{dz^{[2]}} \times \frac{d}{dz^{[1]}}g^{[1]}(z^{[1]}) \\ |
