how to calculate matrix
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To multiply a matrix by a single number is easy:
These are the calculations: 2×4=8. 2×0=0. ...
The "Dot Product" is where we multiply matching members, then sum up: (1, 2, 3) • (7, 9, 11) = 1×7 + 2×9 + 3×11. = 58. ...
(1, 2, 3) • (8, 10, 12) = 1×8 + 2×10 + 3×12. = 64. ...
DONE! Why Do It This Way?
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