| 用有向图法确定报表系统中的公式计算顺序 |
| |
| 引用本文： | 赫枫龄,刘磊,张孝志. 用有向图法确定报表系统中的公式计算顺序[J]. 计算机工程与应用, 2003, 39(36): 87-89 |
| |
| 作者姓名： | 赫枫龄 刘磊 张孝志 |
| |
| 作者单位： | 吉林大学计算机科学与技术工程学院,长春,130012 |
| |
| 基金项目： | 吉林省科技发展计划项目资助(合同号:20000111) |
| |
| 摘 要： | 首先提出了报表系统中的公式计算顺序问题,然后描述了公式计算顺序的形式定义,最后给出了用有向图法解决公式计算顺序的算法。
|
| 关 键 词： | 报表系统 公式 公式依赖 循环依赖 有向图 |
| 文章编号： | 1002-8331-(2003)36-0087-03 |
| 修稿时间： | 2002-12-01 |
Solve the Problem of Formula Evaluation Sequence by Directed Graph |
| |
| He Fengling Liu Lei Zhang Xiaozhi. Solve the Problem of Formula Evaluation Sequence by Directed Graph[J]. Computer Engineering and Applications, 2003, 39(36): 87-89 |
| |
| Authors: | He Fengling Liu Lei Zhang Xiaozhi |
| |
| Abstract: | The paper discusses the technique how to solve the problem of formula evaluation sequence by directed graph.First,the problem of formula evaluation sequence in the report form system is proposed.Then,the formal definition of formula evaluation sequence is described.Finally,the algorithm to solve the problem of formula evaluation sequence by di rected graph is given. |
| |
| Keywords: | Report form system Formula Formula dependency Circle dependency Directed graph |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
