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hell18

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thanks

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- Thread starter hell18
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- #1

hell18

- 21

- 0

thanks

- #2

Hurkyl

Staff Emeritus

Science Advisor

Gold Member

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"Matrix notation" is when you have selected a particular basis (bases) for the vector space (spaces) upon which you're working, and matrices are written as a 2 dimensional array of coefficients with respect to those bases.

"Abstract matrix notation" is when you have not done the above.

For example, suppose you premultiply a vector by a matrix to yield another vector.

In matrix notation, it might look like:

&Sigma

In abstract matrix notation, it might look like:

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