{
 "metadata": {
  "kernelspec": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
   },
   "display_name": "IPython (Python 2)",
   "language": "python",
   "name": "python2"
  },
  "language": "Julia",
  "name": "",
  "signature": "sha256:4d4d136d84242dc93a1f945e65b3c9ce38b8e55a1138ed40002a218b58ebebbc"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "A=[-1 -1 0 -1 0 0 ; 1 0 -1 0 -1 0 ;0 1 1 0 0 -1; 0 0 0 1 1 1]'"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "function network(c,f)\n",
      "  A0=A[:,1:3]\n",
      "  C=diagm(c)\n",
      "  V=(A0'*C*A0)\\f\n",
      "  y=-C*A0*V\n",
      "  (V,y)\n",
      "end"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "c=[0,1,1,1,1,1]\n",
      "f=[8,0,0]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "A=[0 2 1 2; 2 0 1 0; 1 1 0 1; 2 0 1 0]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 4
    }
   ],
   "metadata": {}
  }
 ]
}