Answer1215

摘要： For example the predicting house pirces example, we can code it in one line for materix vector multiplication. The tip is conver size to a m*2 matrix, 阅读全文

摘要： Matrices are 2-dimensional arrays: It's a 4*2 matrix 1 column's matrice is called Vector; % The ; denotes we are going back to a new row. A = [1, 2, 3 阅读全文