摘要：
Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of 阅读全文
摘要：
In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original data. 阅读全文
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opencv3.1属于阉割版的opencv，很多以前的函数被改版，甚至删除掉，比如circle函数。 Mat初始化 Mat sampleMat = (Mat_<float>(1, 2) << j,i);是Mat的一种初始化方式，将每次循环的i，j输入进Mat，然后初始化。 .at<Vec3b>(i, 阅读全文