On Nov 10, 2008, at 2:40 AM, Kyle Sluder wrote:
If I remember correctly, matrix multiplication does not distribute over matrix addition, and since a transformation matrix stack is essentially a product of sums, the API designers might, as you suggest, have simply left the functionality out for the sake of clarity.
For the record, you remember wrong. Matrix multiplication is not commutative, but the other basic algebraic laws of multiplication and addition work.
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