How to do matrix matrix multiplication using dot products? скачать в хорошем качестве

How to do matrix matrix multiplication using dot products?

We develop our third of four different techniques to calculate a matrix-matrix multiplication (MMM). In this case, we calculate the individual entries of the product of two matrices using dot products. 00:00 -Introduction 00:21 -Definition of matrix-matrix multiplication via dot products 02:12 -When reading formal math, deep read with paper and pencil 02:52 -The anatomy of a matrix-matrix multiplication via dot products 03:06 -The dot product version of MMM is great to find individual entries 03:37 -MMM via dot products cut left matrix in rows right matrix in columns 04:02 -Analysis: row partition left matrix and column partition right matrix 05:27 -Apply definition 5.3 to calculate entry (1,1) of a general MMM 08:29 -Apply definition 5.3 to calculate entry (2,1) of a general MMM 08:43 -Push pause and try to finish this for yourself 11:12 -Pause the video and guess the general pattern for entry (i, k) 11:41 -Apply definition 5.3 to calculate entry (1,2) of a general MMM 13:50 -To learn math deep, develop multiple representations 14:25 -Guess pattern for entry (i, k) and discover definition 5.3 for ourselves 17:24 -Use MMM via dot products to find individual entries of output 18:02 -Challenge 1: Make a “cheat sheet” for our three versions of MMM 18:59 -For my students: NO timed exams use any resource you want to learn 15:04 -Conclusion