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36
votes
8answers
6k views
What does matrix multiplication actually mean?
If I multiply two numbers, say 3 and 5, I know it means add 3 to itself 5 times or add 5 to itself 3 times.
But If I multiply two matrices, what does it mean ?
I mean I can't think it in terms of ...
2
votes
1answer
679 views
What does matrix multiplication have to do with scalar multiplication?
Why are matrix and scalar multiplication denoted the same way and treated as the same operation in standard mathematical notation? This is always a source of confusion for me because they have ...
11
votes
2answers
3k views
matrix multiplication: interpreting and understanding the multiplication process
I have just watched the first half of the 3rd lecture of Gilbert Strang on the open course ware with link:
http://ocw.mit.edu/courses/mathematics/18-06-linear-algebra-spring-2010/video-lectures/
It ...
