Monthly Archives: December 2011

2012 Python Meme

My “Python meme” replies.
What’s the coolest Python application, framework or library you have discovered in 2011?
NumPy, because of my book Numpy 1.5 Beginner’s Guide published in November this year. Although I did not discover it in 2011. Still I learned [...]

Share
Posted in programming | Tagged | Leave a comment

Christmas NumPy Book Giveaway

Merry Christmas, dear readers!
Since it’s the season of giving, Packt Publishing offered to organize a contest with prize – 2 print copies and 2 ebooks of my book NumPy Beginner’s Guide.
The Prize

What you will learn from NumPy 1.5 Beginner’s Guide

Installing [...]

Share
Posted in books, programming | Tagged , , | 46 Comments

Steady State Vector of Markov Chains

This entry is part 9 of 17 in the series Numpy Strategies

Numpy Strategies 0.1.3
Unlucky Sprint 13. Scary, especially if you suffer from Triskaidekaphobia. The task for this sprint:

Determine the steady state vector of our Markov chain model.

This task was part of the story:

I want to know how to bet in the [...]

Share
Posted in programming | Tagged , | 2 Comments

Stochastic matrix of the FUD states

This entry is part 7 of 17 in the series Numpy Strategies

Numpy Strategies 0.1.2
So we are now in Sprint 12 of Project “NumPy Strategies”. Last week you finished the task of determining states and defining a Markov chain model. This took you ten minutes even though the estimate was 2 days. [...]

Share
Posted in programming | Tagged , , | Leave a comment

Secret Transitions of a Markov Chain

This entry is part 5 of 17 in the series Numpy Strategies

Numpy Strategies 0.1.1
Imagine that one day your most important client/Product Manager/Product Owner/Other walks into your room with the following User Story:

I want to make huge profits on the stock market with Markov chains

You think a few seconds and say: “We [...]

Share
Posted in programming | Tagged , | Leave a comment