function [TrainFeature,TrainKnnTarget,...          TestFeature, TestKnnTarget]...           = TrainTestSample(interval,FeatureArray,KnnTarget);% 將特征矩陣分解成：訓(xùn)練樣本與測(cè)試樣本       [row,column] = size(FeatureArray);TrainColumn = 1:interval:column;       % 訓(xùn)練樣本的列數(shù)Column = 1:column;                        Column(TrainColumn) = [];              % 刪除訓(xùn)練樣本的列數(shù),余下的是測(cè)試樣本列數(shù)TestColumn = Column;                   % 測(cè)試樣本的列數(shù)%========= 訓(xùn)練樣本 ========%        TrainFeature = FeatureArray(:,TrainColumn);       % 訓(xùn)練樣本TrainKnnTarget = KnnTarget(:,TrainColumn);        % 訓(xùn)練目標(biāo)%========= 測(cè)試樣本 ========%                TestFeature = FeatureArray(:,TestColumn);         % 測(cè)試樣本TestKnnTarget = KnnTarget(:,TestColumn);          % 測(cè)試目標(biāo)