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北京邮电大学OJ系统大一上学期作业的答案(Beijing University of Posts and Telecommunications OJ system freshman semester homework answer)

矩阵的转置、行列式、秩，逆矩阵求法，矩阵的三角分解、qr分解，对称正定矩阵的乔里斯基分解及行列式值，奇异值分解，广义逆的奇异值分解，矩阵特征值与特征向量的各种计算方法(all kinds of computational method of transposition of matrix, determinant, rank, inverse of matrix,triangle decomposition, qr decomposition, cholesky decomposition and determinant value based on symmetry positive definite matrix, decomposition of singular value, decomposition of generalized inversal singular value, eigenvalue and eigenvector)

C#局域网udp聊天工具,客户端和服务器，实现聊天功能(chat liaotiangongju)

ADPCM（自适应差分脉冲调制编码）编解码程序(ADPCM)

由于工程上需要定位系统瓶颈，故开发了七牛云接口并发测试程序，测试接口性能。该程序未公布我自己的SecretKey，使用者请填写自己的SecretKey。(This is a program for QiNiu interface test, you can do it for performacer test.)

本文件是gmres算法的c语言代码，大家都抓紧抢着下载哦。(This document is gmres algorithm c language code, everyone rushing to seize download oh.)

vc设置钢笔的宽度和对齐方式的程序源码，希望对大家有所帮助(vc set pen width and alignment of the program source code, we want to help)

快捷键 功能ctrl b 给选中字设置为加粗ctrl c 复制选中内容ctrl x 剪切选中内容ctrl v 粘贴ctrl y 重新执行上次操作ctrl z 撤销上一次操作ctrl i 给选中字设置为斜体ctrl u 给选中字加下划线ctrl a 全部选中shift enter 软回车

DSP6678 UART串口测试程序，可通过此程序测试UART串口。(DSP6678 UART serial test program)

B curve left key point, right end vevr good(Curve B left key point, right end vevr good)