A few days ago
Matrix multiplication trick?
Is there a special formula or a trick I can use to help me remember the format for matrix multiplication (Algebra II)?
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A few days ago
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I don’t know if it’s a trick, but I always envisioned the column of the right-hand matrix “swinging” (pivoting) to the level of the row of the left-hand matrix. Then the “swingers” mate with the “hosts” on which they’re lying (multiplication of overlapping numbers). Finally, the “offspring” (products of the multiplication) get added together to yield the sum for that “party” (matrix element, the home of the host).
Does that help at all?
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