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matrix multiplication
Noun
phép nhân ma trận
a mathematical operation that combines two matrices to produce a new matrix, calculated by multiplying rows and columns
"In finance , matrix multiplication is used for portfolio optimization and risk analysis ."
matrix
Noun
nền, vật liệu nền
(geology) the fine-grained material surrounding larger rock fragments or grains within a sedimentary rock
"Matrix cementation affects the strength and durability of sedimentary rocks ."