When multiplying matrices by a scaler, each element is multiplied by the scaler.
For Example:
To multiply matrices by eachother, multiply the elements of the first matrix by the corresponding element in the second matrix.
For Example:
To make sure you can multiply 2 matrices together, the inside numbers should be the same when you put the two dimensions next to each other like:
3 x 4 && 4 x 6
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