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multiplication
Noun
phép nhân
the process or action of adding a number to itself a specific number of times
"Multiplication is one of the four basic operations in math , along with addition , subtraction , and division ."
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 ."