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@abridgland
abridgland / gaussian-processes-1.ipynb
Last active August 24, 2025 14:36
A Jupyter notebook to accompany Intro to Gaussian Processes - Part I at http://bridg.land/posts/gaussian-processes-1
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@machinaut
machinaut / rotate_euler.py
Last active April 1, 2019 13:56
Simple Euler Angles Rotation in python
import numpy as np
from scipy.linalg import expm
def rot_euler(v, xyz):
''' Rotate vector v (or array of vectors) by the euler angles xyz '''
# https://stackoverflow.com/questions/6802577/python-rotation-of-3d-vector
for theta, axis in zip(xyz, np.eye(3)):
v = np.dot(np.array(v), expm(np.cross(np.eye(3), axis*-theta)))
return v
@beeman
beeman / remove-all-from-docker.sh
Created November 15, 2016 03:04
Remove all from Docker
# Stop all containers
docker stop `docker ps -qa`
# Remove all containers
docker rm `docker ps -qa`
# Remove all images
docker rmi -f `docker images -qa `
# Remove all volumes
@barentsen
barentsen / gist:bacd4360fb31e7456d659d07b014e834
Created June 21, 2016 09:01
How to get clickshare working on Ubuntu 16.04
sudo apt install libresample1
wget http://mirrors.kernel.org/ubuntu/pool/universe/liba/libav/libavutil52_9.18-0ubuntu0.14.04.1_amd64.deb
sudo dpkg -i libavutil52_9.18-0ubuntu0.14.04.1_amd64.deb
wget http://mirrors.kernel.org/ubuntu/pool/universe/liba/libav/libswscale2_9.18-0ubuntu0.14.04.1_amd64.deb
sudo dpkg -i libswscale2_9.18-0ubuntu0.14.04.1_amd64.deb
wget https://www.dropbox.com/s/gg2i5wszrqkhzy8/clickshare_01.07.01-79_amd64.deb?dl=0#
sudo dpkg -i clickshare_01.07.01-79_amd64.deb
@hugke729
hugke729 / animation_examples.py
Last active December 11, 2024 21:20
# Example animations using matplotlib's FuncAnimation
# Ken Hughes. 18 June 2016.
# For more detail, see
# https://brushingupscience.wordpress.com/2016/06/21/matplotlib-animations-the-easy-way/
# Examples include
# - line plot
# - pcolor plot
# - scatter plot
@royshil
royshil / SimpleAdHocTracker.cpp
Created March 15, 2015 18:21
Ad-Hoc AR tracker from a planar scene without need for markers
/*
* SimpleAdHocTracker.cpp
*
* Created on: Mar 15, 2015
* Author: roy_shilkrot
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Roy Shilkrot
*
@nkint
nkint / gist:8576156
Created January 23, 2014 10:15
opencv and python: concatenate video
import numpy as np
import cv2
import os
# this two lines are for loading the videos.
# in this case the video are named as: cut1.mp4, cut2.mp4, ..., cut15.mp4
videofiles = [n for n in os.listdir('.') if n[0]=='c' and n[-4:]=='.mp4']
videofiles = sorted(videofiles, key=lambda item: int( item.partition('.')[0][3:]))
video_index = 0
@bwhite
bwhite / zmq_client_req.py
Created September 21, 2012 23:07
ZMQ Req/Rep Example
import zmq # Client
sock = zmq.Context().socket(zmq.REQ)
sock.connect("tcp://127.0.0.1:10000")
sock.send('0')
print(sock.recv()) # Prints "1"
@alexsleat
alexsleat / Publish.cpp
Last active April 19, 2024 00:50
ROS Publish/Subscribe Arrays Example - http://alexsleat.co.uk/2011/07/02/ros-publishing-and-subscribing-to-arrays/
#include <stdio.h>
#include <stdlib.h>
#include "ros/ros.h"
#include "std_msgs/MultiArrayLayout.h"
#include "std_msgs/MultiArrayDimension.h"
#include "std_msgs/Int32MultiArray.h"