Thread: Understanding Matrix Suffix Notation

I'm having trouble interpreting matrices represented in suffix notation. For example, I am given that the matrices A, B and x have elements a(ij) b(ij) and x(i) respectively. I then have to write down the matrix represented by


[Edit: Latex corrected]
How do I work out what this summation represents.

Originally Posted by StaryNight

I'm having trouble interpreting matrices represented in suffix notation. For example, I am given that the matrices A, B and x have elements a(ij) b(ij) and x(i) respectively. I then have to write down the matrix represented by



How do I work out what this summation represents.

I don't think your notations are correct.

First of all, you have and then where does this come from?

Secondly, I don't know what represents in .

Lastly, the suffix in too has no meaning.

Originally Posted by Sambit

I don't think your notations are correct.

First of all, you have and then where does this come from?

Secondly, I don't know what represents in .

Lastly, the suffix in too has no meaning.

Apologies, I managed to make a couple of mistakes doing the Latex. I've corrected my original post.