procedure un matlab to plot Tanner graph, it´ s not useful to wide matrices, can´ t view de edges of de graph

有关TANNER软件的使用入门介绍，很不错的书籍-For TANNER introduction to the use of software, very good books

QC-LDPC码生成矩阵编程，围长为12，无4环-The program searches for a girth 12 QC-LDPC code given size of sub-matrix, row and column weights. The configuration of sub-matrices could also be changed. The program offers flexibility in constructing girth-12 QC-LDPC codes

Calculation of Cycle of Tanner Graph in LDPC Codes LDPC_Cycle6.m