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Definition: matrix multiplication
Multiplying the content of two x-y matrices together for screen rendering and AI processing. Matrix multiplication provides a series of fast multiply and add operations in parallel, and it is built into the hardware of GPUs and AI processing cores (see Tensor core). See compute-in-memory.
The Rules
An X-Y Matrix
The number of rows in the first matrix (2 in this example) must equal the number of columns in the second matrix (also 2). The resulting matrix has the same number of rows as the first and same number of columns as the second (2 and 2).
A matrix is an array of elements in row and column form.