矩阵运算的算法 用Type类数组创建矩阵对象 matrix(int rows,int cols) //创建矩阵,值为0 matrix(int n) //创建单位阵 matrix(const matrix &) //拷贝构造函数 BOOL Ismatrixf(){ return (rows==cols) } //判断矩阵是否为方阵 modifyrowscols(int rows,int cols) //修改矩阵的行列数 ~matrix() {delete []elems } //析构函数
上传时间： 2015-07-14
上传用户：水口鸿胜电器
This demonstration shows that reordering the rows and columns of a sparse matrix S can affect the time and storage required for a matrix operation such as factoring S into its Cholesky decomposition
标签： demonstration reordering the columns
上传时间： 2016-01-14
上传用户：奇奇奔奔
一个使用MPI的并行Equation Solver。采用高斯迭代。在双核和4核机器上加速比可到2和4。并行的效果非常好。采用ghost rows。可操作于任意的process数
标签： Equation process Solver ghost
上传时间： 2016-04-19
上传用户：xfbs821
（1） 设计和编写代表矩阵的Matrix类。该类包括矩阵行列数变量int rows和int cols，矩阵数据数组double data[][]，构造方法Matrix()、Matrix(int rows,int cols)、Matrix(int rows,int cols,double data[][])，获取某元素值的方法getData(int row,int col)，设置某元素值的方法setData(int row,int col,double value)，计算两个矩阵的乘积的方法multiply(Matrix m)以及toString()等内容。
上传时间： 2016-08-19
上传用户：qiao8960
The algorith divides rows in to four equal groups. The rows are then used to from a distance graph which is then transformed into a matrix. girth of eight is maintained by avoiding six-cycles in the graph construction
标签： rows The algorith distance
上传时间： 2014-01-15
上传用户：kelimu
* The keyboard is assumed to be a matrix having 4 rows by 6 columns. However, this code works for any * matrix arrangements up to an 8 x 8 matrix. By using from one to three of the column inputs, the driver * can support "SHIFT" keys. These keys are: SHIFT1, SHIFT2 and SHIFT3.
标签： keyboard However assumed columns
上传时间： 2016-11-14
上传用户：ardager
form = new_form(fields) scale_form(form, &rows, &cols) win = newwin(rows+3, cols+4, 3, 20) subwin = derwin(win, rows, cols, 1, 2) set_form_sub(form, subwin) box(win, 0, 0) keypad(win, TRUE) post_form(form) refresh() wrefresh(win) wrefresh(subwin) //设置覆盖模式 form_driver(form, REQ_OVL_MODE)
标签： form cols rows scale_form
上传时间： 2017-06-12
上传用户：wff
The PCF8578 is a low power CMOS1 LCD row and column driver, designed to drive dotmatrix graphic displays at multiplex rates of 1:8, 1:16, 1:24 or 1:32. The device has40 outputs, of which 24 are programmable and configurable for the following ratios ofrows/columns: 32¤8, 24¤16, 16¤24 or 8¤32. The PCF8578 can function as a stand-alone LCDcontroller and driver for use in small systems. For larger systems it can be used inconjunction with up to 32 PCF8579s for which it has been optimized. Together these twodevices form a general purpose LCD dot matrix driver chip set, capable of driving displaysof up to 40960 dots. The PCF8578 is compatible with most microcontrollers andcommunicates via a two-line bidirectional bus (I2C-bus). Communication overhead isminimized by a display RAM with auto-incremented addressing and display bankswitching.
上传时间： 2013-10-23
上传用户：顶得柱
Run the SQL script given to you to create a Library database. Note that each row in the Book table denotes a book copy. Thus, if the library carries three copies of the title "DBMS", there will be three rows in the Book table, one for each copy. Write the SQL statements to do the following against the database
标签： the database Library script
上传时间： 2014-08-29
上传用户：nanxia
创建一个datarow，给它填充数据，把它添加到dataset的rows的集合中；用update（）方法，把变化返回到数据库中
标签： datarow
上传时间： 2013-12-17
上传用户：569342831
