多此一举,原来官方库给了求逆的函数,在源码里 除此之外,还有转置矩阵,只不过样例没显示出来. //Matrix Inversion Routine // * This function inverts a matrix based on the Gauss Jordan method. // * Specifically, it uses partial pivoting to improve numeric stability. // * The algorithm is drawn from…
hadoop是用cloudra的官方yum源安装的,服务器是CentOS6.3 64位操作系统,自己写的mapreduce执行的时候hadoop会提示以下错误: WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 网上说是这样的 Hadoop的native是在32 bit环境下编译的,在64…