Xu Cui
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547 Stories by Xu Cui
Quite often you need to call external or system commands inside MatLab. Sometimes that external commands requires setting up environment variables in the shell. If would be a pain to do the environment setup inside MatLab. The easiest way I know of t
genpath When you add a folder to path, you often want to add all its subfolders (and their subfolders) to path too. In this case, you can use genpath. e.g. addpath(genpath(pwd)) use ii, instead of i, in loop (suggested by Chess Stetson) You probably
This post is under updating … The information is not complete Table can be found here: https://spreadsheets.google.com/spreadsheet/ccc?key=0AmI1wIXzRozHdFQzWHNQajI5eTlOeWRFd0tCT0hwYmc&hl=en_US Artinis OctaMon The m
昨天晚上QQ上，有一个高中同学给我打招呼。我就启动了视频聊天，那边也有视频，没有声音。我猜想他的话筒有问题了吧，这也正常。他问了常规性的问题，比如我在哪里啊，什么时候回来啊等等。我也回答了。让后他说他
Let’s say you collected some brain data (time series) using NIRS while the participants were performing a task (say finger tapping), and you use the wt function in the “Cross Wavelet and Wavelet Coherence Toolbox” (link dead. Please
Ten dollars today is more attractive than the same amount of money tomorrow and is consistent with the well known proverb, “a bird in the hand is worth two in the bush”. We all know that the value of a reward is discounted over time. How the value di
When you give a presentation, try to avoid the following common mistakes: Too much text The best way to bore your audience. Also, audience will start focusing and reading the text and ignore your talk. Read slides People read text faster than you. Y
Ric Elias is the CEO of Red Ventures, a marketing services company that grew out of Elias’ long experience in business. He had a front-row seat on Flight 1549, the plane that crash-landed in the Hudson River in New York in January 2009. What di
Laplace introduced the sunrise problem in 18th century. With prior knowledge that the sun has risen N days in the past consecutively (not knowing the gravity rules etc), what is your confidence that the sun will rise tomorrow? Let p be the probabilit