quips @patricksquips-blog - Tumblr Blog

Req. Books for Mathematics

* Mon Algebra - Lang Linear Algebra Done Right - Axler Calculus - Spivak * Tue Real Analysis - Rudin A Comprehensive Introduction to Differential Geometry - Spivak * Postponed Real and Complex Analysis - Rudin Functional Analysis - Rudin

#tqft

Lie Group Integrators for Animation and Control of Vehicles

Marin Kobilarov, Keenan Crane, and Mathieu Desbrun

#lie-groups #discrete-differential-geometry

Statistics, Kernels, Density Estimation

* Theory of Statistics - Mark J. Schervish

* Density Estimation for Statistics and Data Analysis - Bernard. W. Silverman

* Nonparametric functional estimation - Prakasa Rao

#statistics #kernel-density-estimation

#riemannian-geometry #graph-embedding

Atlases for Stochastic Processes

* Approximate update sequences in GDS and SDS with Markov Processes

See "Limit theorems and Markov approximations for chaotic dynamical systems".

#markov-process #sequential-dynamical-systems #graph-dynamical-systems

Python multiprocessing handling SIGINT

import signal from multiprocessing import Process, Value from time import sleep breaker = Value('b', True) def chill_for_a_while(period, breaker): while(breaker.value): sleep(period) print "Client of period {} exiting now.".format(period) def sig_int_handler(sig, frame): global breaker breaker.value = False if __name__ == "__main__": signal.signal(signal.SIGINT, sig_int_handler) processes = [Process(target=chill_for_a_while, args=[x, breaker]) for x in range(5)] for process in processes: process.start() while(breaker.value): sleep(1) print "Main process exiting now."

urxvt 256 color ubuntu

sudo apt-get install rxvt-unicode-256color

#urxvt #rxvt #ubuntu #rxvt-unicode #precise #oneric #256colors

OpenCV Webcam Capture Ubuntu

sudo apt-get install libv4l-dev

Such that:

cd $OPENCV_UNZIPPED cmake . ... -- Video I/O: -- V4L/V4L2: Using libv4l (ver 0.8.6) ...

#ubuntu #opencv #v4l #libv4l #webcam

Simple Xsession in Ubuntu 12.04

/usr/share/xsessions/default.desktop:

[Desktop Entry] Name=XSession Comment=Default XSession Exec=/home/user/.xsession

#xsession ubuntu xmonad