是学习matlab的很好程序资料 可以用来方便设计iir滤波器 比16位精确,-Is good to learn matlab program information Convenient can be used to design iir filter than 16 accurately,

注意：本程序中,每点击一次“增加亮度”,图像灰度提升16-Note: in this program, every click on the increase brightness , the image gray level 16

工程应用中的偏微分方程的数值解法，包括源代码和函数索引，用于matlab中PDE工具箱的学习(Numerical solution of partial differential equation in engineering application)