由Petri网pnt文件求取关联矩阵,可输出p, t,pt,ptnu,maxw等。-Obtain incidence matrix from pnt.pnt of a PN.

处理一般PN网pnt文件，将变迁与权值分离出来，形成其与权值相对应的索引向量。-Create vectors of values and their index, which are used to compute p-by-t incidence matrix.

由Petri网pnt.pnt文件，求取其关联矩阵。可输出p,t,pt,ptnu,maxw.-Obtain p-by-t incidence matrix of a PN.

为树轮研究开发的数据分析matlab工具箱-Tree-ring and climate-data analysis grplot grouped plots of ring width series skelcrn - skeleton plot crn file or ring-width series climgram - climatogram IO and formatting of tree-ring data crn2vec2 convert .crn fil