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Tag Archives: tutorial
Star / Asterisks Operator ( * ) in Python – 1
1. Unpacking iterables into a list/tuple In addition to serving as the symbol for multiplication, the star operator (*) in Python has several other applications. The first application is unpacking iterables into a list/tuple Example: Adding (appending) elements to an … Continue reading
Posted in Linux, Machine Learning, Python, Software, Ubuntu
Tagged advanced, argument, array, asterisks, code, example, for, function, intermediate, operator, pack, programming, python, sample, script, simple, source, source code, star, step by step, tutorial, unpack
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3D Rotations using Rodrigues Rotation Formula
The problem we are addressing here is the rotation of a general 3D vector about a given axis of rotation denoted by by radians. The Rodrigues Rotation Formula is as follows: Example: for a sanity check we can consider that … Continue reading
Posted in Machine Learning, Robotics
Tagged 2D, 2D rotation, 3d, 3D rotation, axis, axis of rotation, cross product, dot product, easy, example, general rotation, math, mathematics, programming, py, python, Robotics, rodrigues, rodrigues formula, rotation, simple, source, source code, spatial, spatial rotation, tutorial, vector
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What is Kronecker Product?
Kronecker Product is a generalization of the outer product of two arbitrary size matrices and results in a block matrix. and then Example: Python example using numpy
Posted in Linux, Machine Learning, Optimization, programming, Python, Software, Ubuntu
Tagged algebra, array, code, easy, explained, inner product, kronecker, kronecker product, math, mathematics, matrix, numpy, outer product, product, programming, python, sample, simple, source code, sourcecode, step-by-step, tutorial, windows
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Quaternions – Use them for Rotation and Transformation
This is the second tutorial on Quaternions. In the previous post, I explained how to use basics of quaternions from the pyquaternion python library. Check the previous post here. In this post, I will show you how to perform spatial … Continue reading
Posted in Linux, Machine Learning, programming, Python, Robotics, ROS, Software, Ubuntu
Tagged beginner, code, computer, easy, example, function, math, mathematics, matplotlib, matrix, numpy, programming, pyplot, pyquaternion, quaternion, rotation, sample, simple, software, source, source code, spatial rotation, spatial transformation, step by step, transformation, tutorial, vector, windows
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Quaternions – How to generate and operate them in Python?
Python Package There are several python libraries (modules) that you can install. Here, I am going to use pyquaternion Installation This package can be installed as follows pip install pyquaternion Usage After installing the package, use it as follows: Forming … Continue reading
Posted in Linux, Machine Learning, programming, Python, Robotics, ROS, Software, Ubuntu
Tagged 3d, 3D rotation, beginner, code, conjugate, conjugation, easy, example, inverse, inversion, magnitude, math, mathematics, matrix, norm, normalization, normalized, numpy, package, pyquaternion, python, quaternion, Robotics, rotation, sample, script, simple, spatial, spatial rotation, spatial transformation, step by step, transformation, tutorial, vector
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Minimal Linux Installation – A video tutorial
In this video, I demonstrate how to download and install Minimal Linux in virtual box. Minimal Linux Live is a set of Linux shell scripts which automatically build minimalistic Live Linux OS with basic network support via DHCP. The generated … Continue reading
Posted in Linux, Software, Ubuntu, Uncategorized
Tagged easy, example, install, installation, iso, kernel, linux, minimal, open source, programming, software, step-by-step, tutorial, video, video tutorial, virtual, virtual box, virtual machine
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Generating a trajectory of quaternions between two given quaternions
First, check my previous post on slerp to learn how to interpolate between two quaternions. In this post, we make a function that uses the previously developed interpolation to generate points (quaternions) between and initial and a final quaternion namely, … Continue reading
Posted in control, Linux, Machine Learning, MATLAB, programming, Robotics, ROS, Software, Ubuntu, Uncategorized
Tagged code, end-effector, example, geometry, interpolate, lerp, linear interpolate, math, mathematics, Matlab, quaternion, robot, rotation, simple, slerp, source code, step by step, trajectory, tutorial
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Slerp: Spherical linear interpolation in quaternion space
in my previous post, I explained the simple Lerp method for calculating linear interpolation in the quaternion space. I also mentioned that while normalizing the output could help to get an optimized result, the velocity curve is not constant. To … Continue reading
Posted in Linux, Machine Learning, MATLAB, Optimization, programming, Robotics, ROS, Software, Ubuntu, Uncategorized
Tagged 3d, 4D, code, easy, example, geometry, interpolation, lerp, lie group, linear, math, mathematics, Matlab, orientation, quaternion, robot, Robotics, ROS, rotation, simple, slerp, source code, step by step, tutorial
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Compress files in MATLAB without other file compression software – Method 3, tar & untar
In the previous post and the post before that, I mentioned two methods for compressing and decompressing files directly in MATLAB using standard ZIP and GNU ZIP methods. In this folder, I demonstrate that we can make tar files using … Continue reading
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