Mzuri hotuba, nzuri tu. Prof. Strang anachora uzuri wa Linear Algebra kwenye ubao.####[['hotuba', 'Course_General_Feedback', 'POS'], ['Prof. Strang', 'Instructor', 'POS'], ['ubao', 'Teaching_Setup', 'POS'], ['Linear Algebra', 'Mathematical_Related_Concept', 'NEU']]