hazelnusse

480s /var/lib/portage # emerge --color y --backtrack 9999 --update --deep --newuse --tree @world -vp

These are the packages that would be merged, in reverse order:

Calculating dependencies... done!
[ebuild     U  ] sys-apps/systemd-240:0/2::gentoo [239-r2:0/2::gentoo] USE="acl gcrypt kmod lz4 pam pcre policykit resolvconf seccomp split-usr ssl sysv-utils -apparmor -audit -build -cryptsetup -curl -elfutils -gnuefi -http -idn -importd -libidn2 -lzma -nat -qrcode (-selinux) -test -vanilla -xkb" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild     U  ] net-misc/wget-1.20.1::gentoo [1.20::gentoo] USE="ipv6 nls pcre ssl zlib -debug -gnutls -idn -libressl -ntlm -static -test -uuid" 0 KiB
[nomerge       ] gnome-base/gnome-3.30.2:2.0::Gnome-3-30-X  USE="bluetooth cdr classic extras -accessibility -cups" 
[nomerge       ]  gnome-base/gnome-extra-apps-3.30.2:3.0::Gnome-3-30-X  USE="games share shotwell tracker" 
[nomerge       ]   media-gfx/gnome-photos-3.30.1::Gnome-3-30-X  USE="-flickr -test -upnp-av" 

hazelnusse

clear all; close all; clc;

fs = 1000;  % Sample frequency
ts = 1/fs;  % Sample period
t = 0:ts:3; % Time points

N_real = length(t);                  % Number of samples
N_complex = floor(N_real / 2) + 1;   % Number of unique complex numbers in resulting FFT

f1 = 50;    % Hz

hazelnusse

01:04:01 /tmp/mwe$ ll
total 8
drwxr-xr-x  2 luke luke  80 Aug  9 01:04 .
drwxrwxrwt 11 root root 420 Aug  9 01:04 ..
-rw-r--r--  1 luke luke 308 Aug  9 01:04 library.bib
-rw-r--r--  1 luke luke 179 Aug  9 01:03 mwe.tex
01:04:02 /tmp/mwe$ xelatex mwe.tex 
This is XeTeX, Version 3.1415926-2.5-0.9999.3 (TeX Live 2013)
 restricted \write18 enabled.
entering extended mode

hazelnusse

Notes for Python Science Apps talk

Presentation

• Live slides
  • Use and arrow keys to step through
• Presentation markdown source
  • Links to repository with actual markdown source that is used for HTML5 slides
• Landslide
  • Great Python library to turn markdown into HTML slides

hazelnusse

*.o
*.so

hazelnusse

all : a_f a_c a_c++

a_f : a.f90
	gfortran -O3 -march=native -ffast-math -funroll-loops a.f90 -o a_f

a_c : a.c
	gcc -O3 -march=native -ffast-math -funroll-loops a.c -o a_c

a_c++ : a.cc
	g++ -O3 -march=native -ffast-math -funroll-loops a.cc -o a_c++

hazelnusse

# Form Lagrangian only with symbols
from sympy import symbols, diff, S, Eq
t, m, g, x, v = symbols('t m g x v')

# Kinetic and Potential energies
KE = 1/S(2)*m*v**2
PE = m*g*x

# Lagrangian
L = KE - PE