经典的最大似然法分类法的C语言实现，有助于深入了解遥感分类原理。-This program implements the maximum likelihood classification procedure. ouput:1.classified image, and 2. probability file. Note: For constructong variance-covariance matrix must be generic binary file.

二次曲面模型,关键在于如何作出三维曲面图形-Quadratic surface model, the key is how to make a three-dimensional surface graph