模式识别最基本的FISHER线性判别分析，使用数字识别数据集合作为测试 训练 数据 进行判别分析的一种编程实现，其中训练跟测试是分开的。-FISHER basic pattern recognition linear discriminant analysis, using as the test data set to identify the number of training data to achieve a programming discriminant analysis, which is separate　the training with the test.