http://spin.atomicobject.com/2014/06/24/gradient-descent-linear-regression/ Gradient descent is one of those “greatest hits” algorithms that can offer a new perspective for solving problems. Unfortunately, it’s rarely taught in undergraduate computer science programs. In this post I’ll give an introduction to the gradient descent algorithm, and walk through an example that demonstrates how gradient descent can be used to solve machine learning problems such as linear regression. At a theoretical level, gradient descent is an algorithm that minimizes functions. Given a function defined by a set of parameters, gradient descent starts with an initial set ofRead More

The following statistics give a general picture of the freshman andtransfer applicants and admits. We caution you against a narrow interpretation of this data. We are providing it because we are often asked to evaluate an applicant’s chances of admission based on certain criteria. To make such a judgment without reading an entire application is impossible, but the following information may prove useful to you. Bear in mind that an applicant in the top of one group may not be in the same position on another measure and that the rigor ofRead More

环球网讯 据英国《每日邮报》6月14日报道，一名来自芝加哥的学生爱莉安娜·亚历山大（Arianna Alexander）凭借5.1的GPA接到了26所大学的录取通知书，而且其中至少有6封来自常春......

2015-05-20 19:49:20     4月23日，中央纪委书记王岐山在与美国斯坦福大学政治思想史学者弗朗西斯•福山（Francis Fukuyama）的会晤谈话中，数次提及日本著名蒙古......

1. Thomas Jefferson High School for Science and Technology – Annandale, Virginia Facebook.com/TJHSST SAT composite range: 2220-2280 All courses at Thomas Jefferson High School for Science and Technology are taught at the gifted, honors, AP, or post-AP level, and, in 2014, over 97% scored a 3 or higher on their AP exams. Last year’s senior class matriculated into some of the best colleges in the country; 10 or more students went to schools like Brown, Stanford, UPenn, MIT, and Johns Hopkins. U.S. News ranks Thomas Jefferson the best high school in the state,Read More

费奥里娜（资料图） 参加美国总统竞选的惠普前女CEO卡莉·费奥里娜 在西方，总有一拨人靠着发表辱华言论吸引眼球，借此捞取知名度和个人利益，尤其是当他们在竞选政治职位之时。目前，这个名单上又多了本......

资料图：日本首相安倍晋三。 中国日报网5月26日电 据日本《中文导报》报道，以安倍晋三首相高中时期的“历史老师”为名义，日本律师泽藤统一郎于5月21日在其博客“藤统一郎的宪法日记”中发文，称自己......

WARREN BUFFETT 图片来源：Getty Images/Illustration Works “美国梦”承诺，教育、个人努力和良好品行的结合可以让任何出身卑微的公民成为至少小有建树的成......

华尔街最近在担忧什么？答案是千禧危机的表亲：闰秒。 眼下，交易员和交易所管理人士正在为最近将要出现的一个事件做准备。如果计算机系统没有调试好，那么一次看似无伤大雅的时间调整或许会演变成一场灾难。......

【环球网综合报道】据英国《镜报》4月29日报道，美国洛杉矶男子埃尔维斯（Elvis）利用废弃材料为60岁的无家可归者斯莫奇（Smokie）建造了一间迷你屋，从此改变了斯莫奇的生活。 埃尔维斯没有......