Nitish Shirish Keskar keskarnitish
keskarnitish
/ cg.py
Created
March 14, 2016 16:48
— forked from neosatrapahereje/cg.py
Conjugate gradient optimization for Lasagne
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| from collections import OrderedDict | |
| import numpy as np | |
| import theano | |
| import theano.tensor as T | |
| from theano.ifelse import ifelse | |
| def cg(loss, params, x0=None, max_iters=100, precondition=None, tol=1e-3, | |
| conv_crit='cg'): | |
| """(Preconditioned) Conjugate Gradient (CG) updates |
keskarnitish
/ MATLAB Feasible Region Plot
Created
March 23, 2014 01:16
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| try | |
| A=[-1 -2; -4 -3; 1 0 ; 0 1]; | |
| b = [ -40; -120; 0; 0]; | |
| plotregion(A,b); | |
| hold on; | |
| x=1:30; | |
| y = (100 - 4*x)/5; | |
| plot(x,y,'k--','LineWidth',2) | |
| y = (136 - 4*x)/5; | |
| plot(x,y,'k','LineWidth',2) |
keskarnitish
/ LineWordCounter
Last active
August 29, 2015 13:56
A simple script to count number of words and lines in a document using only map and reduce functions (No Loops). Usage: cat foobar.txt | python LineWordCounter.py
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| # A simple script to count number of words and lines in a document using only map and reduce functions (No Loops) | |
| # Usage: cat foobar.txt | python LineWordCounter.py | |
| import sys | |
| DataToRead = sys.stdin.read() | |
| print "Document has " + str(sum(map(lambda x: x=='\n',DataToRead))) + " lines" | |
| print "Document has " + str(len(map(len, DataToRead.split()))) + " words" | |
keskarnitish
/ WhatsAppCleaner.py
Last active
January 14, 2017 14:13
Clean WhatsApp Generated Text File for Image Cloud Scripts
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| #Extremely simple script to cleanup the conversation data that WhatsApp generates | |
| #You can email yourself the conversation from your WhatsApp mobile application, run this script and use any popular word cloud generator like http://www.wordle.net/create. | |
| #TO DO: Include code to create wordcloud as well. Possibly https://github.com/atizo/PyTagCloud or https://github.com/amueller/word_cloud | |
| #Usage: python WhatsAppCleaner.py Foo.txt | |
| from sys import argv | |
| script, filename = argv | |
| f = open(filename,'r') | |
| for line in f: | |
| try: |