use for matlab.one of the method for using the histogram. for recognition purposes.

this is matlab sonar dataset for sonar classification that use two class mine and rock

两个简单的遍历，供MATLAB基础人员使用，主要是两种遍历方法，Z曲线和Hilbert曲线-Two simple traversal, for the use of MATLAB foundation staff, mainly two kinds of traversal methods, Z curve and Hilbert curve