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《Non-Negative Matrix Factorization for Polyphonic Music Transcription》译文
NMF(非负矩阵分解),由于其分解出的矩阵是非负的,在一些实际问题中具有非常好的解释,因此用途很广。在此,我给大家介绍一下NMF在多声部音乐中的应用。要翻译的论文是利用NMF转录多声部音乐的开山之作,浅显易懂地介绍了如何利用NMF对钢琴曲进行乐谱翻译,值得一看。 摘要        在本文中我们提出一种新方法用来分析由固定谐波格式的音符构成的复调乐曲片段(例如钢琴音符)。由于音符结构固...
分类:其他好文   时间:2015-12-31 12:56:16    阅读次数:297
POJ2155:Matrix(二维树状数组,经典)
DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j...
分类:编程语言   时间:2015-12-31 08:53:06    阅读次数:165
Leetcode: Sparse Matrix Multiplication
Given two sparse matrices A and B, return the result of AB.You may assume that A's column number is equal to B's row number.Example:A = [ [ 1, 0, 0],....
分类:其他好文   时间:2015-12-31 08:49:47    阅读次数:160
JavaScript权威指南(第六版)--第4章
4、表达式和运算符JavaScript原始表达式包含常量或直接量、关键字和变量对象和数组的初始化表达式var matrix = [[1,2,3],[4,5,6],[7,8,9]];var p = {x:2.4,y:1.2};函数定义表达式定义一个JavaScript函数var square = fu...
分类:编程语言   时间:2015-12-29 14:38:52    阅读次数:182
Leetcode: Range Sum Query 2D - Immutable
Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2...
分类:其他好文   时间:2015-12-29 10:01:33    阅读次数:137
Leetcode: Smallest Rectangle Enclosing Black Pixels
An image is represented by a binary matrix with 0 as a white pixel and 1 as a black pixel. The black pixels are connected, i.e., there is only one bla...
分类:其他好文   时间:2015-12-29 08:45:18    阅读次数:133
[LeetCode]题解(python):059-Spiral Matrix II
题目来源https://leetcode.com/problems/spiral-matrix-ii/Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.题意分析Inp...
分类:编程语言   时间:2015-12-28 17:00:08    阅读次数:207
[LeetCode]题解(python):054-Spiral Matrix
题目来源https://leetcode.com/problems/spiral-matrix/Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.题意分析I...
分类:编程语言   时间:2015-12-28 16:54:00    阅读次数:154
UVA-Matrix Chain Multiplication(栈)
Matrix Chain MultiplicationSuppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is ...
分类:其他好文   时间:2015-12-28 15:46:51    阅读次数:191
Leetcode 细节实现 Set Matrix Zeroes
Set Matrix ZeroesTotal Accepted:18139Total Submissions:58671My SubmissionsGiven amxnmatrix, if an element is 0, set its entire row and column to 0. Do...
分类:其他好文   时间:2015-12-27 13:23:51    阅读次数:154
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