title: [线性代数]4-1:四个正交子空间(Orthogonality of the Four Subspace) categories: Mathematic Linear Algebra keywords: Orthogonality Four Subspace Orthogonal Complements Fundamental Theorem of Linear Algebra Combining Bases from Subspaces Split toc: true date:…

2ed,  by Timothy Sauer DEFINITION 1.3A solution is correct within p decimal places if the error is less than 0.5 × 10$^{−p}$ .-P29Bisection Method的优点是计算次数(step)是确定的(interval<精度).后面介绍的算法的interval是不确定的, 所以什么时候结束计算呢?不知道.所以定义“stopping criteria’’来决定什么时候结束…

基本类型    PHP是一种弱类型语言.      PHP类型检查函数   is_bool()    is_integer()  is_double()  is_string()   is_object()  is_array()  is_resource()   is_null()   继承   继承是从一个基类得到一个或多个派生系类的机制.  继承自另一个类的类被称为该类的子类.  子类可以增加父类(也称超类,superclass)之外新的功能,因此子类也被称为扩展.   构造方法和继承  …

Source: http://fsl.fmrib.ox.ac.uk/fsl/fslwiki/MELODIC; https://fsl.fmrib.ox.ac.uk/fsl/fslwiki/MELODIC/FAQ#How_do_I_transform_the_MELODIC_results_from_a_low-resolution_space_to_a_higher-resolution_one.3F Research Overview MELODIC ( Multivariate Explor…

https://en.wikipedia.org/wiki/Information_retrieval 信息检索 (一种信息技术) 信息检索(Information Retrieval)是指信息按一定的方式组织起来, 并根据信息用户的需要找出有关的信息的过程和技术.狭义的信息检索就是信息检索过程的后半部分,即从信息集合中找出所需要的信息的过程,也就是我们常说的 信息查寻(Information Search 或Information Seek).一般情况下,信息检索指的就是广义的信息检索. 信息…

原地址http://www.starlino.com/dcm_tutorial.html Introduction This article is a continuation of my IMU Guide, covering additional orientation kinematics topics. I will go through some theory first and then I will present a practical example with code bui…

What: 就是将统计学算法作为理论,计算机作为工具,解决问题.statistic Algorithm. How: 如何成为菜鸟一枚? http://www.quora.com/How-can-a-beginner-train-for-machine-learning-contests 链接内容总结: "学习任何一门学科,framework是必不可少的东西.没有framework的东西,那是研究." -- Jason Hawk One thing is for sure; you ca…

Shader read/write/atomic into UAV global memory (need manual sync) http://www.opengl.org/registry/specs/EXT/shader_image_load_store.txt Render to Texture http://www.opengl.org/registry/specs/ARB/wgl_render_texture.txt Depth Texture for "Shadow Castin…

A geometric interpretation of the covariance matrix Contents [hide] 1 Introduction 2 Eigendecomposition of a covariance matrix 3 Covariance matrix as a linear transformation 4 Conclusion Introduction In this article, we provide an intuitive, geometri…

为什么很多开源软件都用 C,而不是 C++ 写成? 余天升 开源社区一直都不怎么待见C++,自由软件基金会创始人Richard Stallman认为C++有语法歧义,这样子没有必要.非常琐碎还会和C不兼容,并且还带来不了什么非常大的好处. having ambiguous grammar and "gratuitous, trivial, incompatibilities with C (...) that are of no greatbenefit" Linus Torvalds…