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indexing elements in matrix
#has-images #linear-algebra #mathematics #matrices
Each element of a matrix is often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A.
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Matrix (mathematics) - Wikipedia, the free encyclopedia
Matrix (mathematics) From Wikipedia, the free encyclopedia Jump to: navigation, search "Matrix theory" redirects here. For the physics topic, see Matrix string theory. <span>Each element of a matrix is often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A. In mathematics, a matrix (plural matrices) is a rectangular array[1] of numbers, symbols, or expressions, arranged in rows and columns.[2][3] The individual items in a matrix are called