linearKernel.m plotData.m porterStemmer.m processEmail.m readFile.m spamSample1.txt spamSample2.txt spamTest.mat spamTrain.mat svmPredict.m svmTrain.m visualizeBoundary.m visualizeBoundaryLinear.m vocab.txt emailFeatures.m emailSample1.txt emailSample2.txt ex6_spam.m gaussianKernel.m getVocabList.m