Let's just think about how this could be. Matrix multiplication the way I'm about to Of matrix multiplication, which I'm about to show you, why it has the most applications. Types of phenomena, you'll see why this type I'm going to show you is the way that it is done, and it's done this wayĮspecially as you go into deeper linear algebra classes or you start doing computer graphics or even modeling different I want to stress thatīecause mathematicians could have come up withĪ bunch of different ways to define matrix multiplication. You to is the convention, the mathematical convention for multiplying two matrices like these. What I want to go through in this video, what I want to introduce
Let's say it's negative 1, 4, and let's say 7 and negative 6. Matrix right over here that it's also going to be 2 by 2. Let's say that thisįirst one right over here is 2, negative 2, 5,Īnd let's say 5 and 3, and then I have this We have got 2 matrices, and I'll just, for simplicity, I'll start with two 2 by 2 matrices.
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