-  Principal Component Analysis 
-  SED & AWK 
-  Adam Optimizer 
-  Session in Tensorflow 
-  WFST 
-  HCLG 
-  Tensorflow Basics 
-  Matrix equation 
-  Kinematics vs. Dynamics in Task-dynamics 
-  Pseudoinverse 
-  Jacobian Matrix 
-  Matrix 
-  Vector Space 
-  Estimation Maximization in HMM 
-  DBN vs. DNN 
-  word2vec 
-  Convolution 
-  Linear Model in R 
-  Convolutional Neural Network