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{
 "metadata": {
  "name": "Sympy Circuit Plot"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {

rpmuller

{
 "metadata": {
  "name": "",
  "signature": "sha256:a04c38d9604adb7eb9ca89860dfa1ef72db66037cc2c07c391ef8e67a31f9254"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {

rpmuller

#!/usr/bin/env python
"""\
 Polynomial.py - A set of utilities to manipulate polynomials. This consists
 of a set of simple functions to convert polynomials to a Python list, and
 manipulate the resulting lists for multiplication, addition, and
 power functions. There is also a class that wraps these functions
 to make their use a little more natural.

 This can also evaluate the polynomials at a value, and take integrals
 and derivatives of the polynomials.

rpmuller

def parseline(line,format):
    """\
    Given a line (a string actually) and a short string telling
    how to format it, return a list of python objects that result.

    The format string maps words (as split by line.split()) into
    python code:
    x   ->    Nothing; skip this word
    s   ->    Return this word as a string
    i   ->    Return this word as an int

rpmuller

def make_contact_sheet(fnames,(ncols,nrows),(photow,photoh),
                       (marl,mart,marr,marb),
                       padding):
    """\
    Make a contact sheet from a group of filenames:

    fnames       A list of names of the image files
    
    ncols        Number of columns in the contact sheet
    nrows        Number of rows in the contact sheet

rpmuller

#!/usr/bin/env python
"""
 CellularAutomata.py: Wolfram-style cellular automata in Python

 Options:
 -h #  Use a screen of height # for the simulation
 -w #  Use a screen of width # for the simulation
 -r      Use a random initial row (rather than the standard single 1 in the middle)
 -R #  Use rule # for the simulation

rpmuller

class FileCacher:
    "Cache the stdout text so we can analyze it before returning it"
    def __init__(self): self.reset()
    def reset(self): self.out = []
    def write(self,line): self.out.append(line)
    def flush(self):
        output = '\n'.join(self.out)
        self.reset()
        return output