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Introduction to Matrices
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Concept Version 4
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What is a Matrix?

Matrix Dimensions

Matrix Dimensions

Each element of a matrix is often denoted by a variable with two subscripts. For instance, $a_{2,1}$ represents the element at the second row and first column of a matrix A.

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    "247px-Matrix.svg.png."
    https://en.wikipedia.org/wiki/Matrix_(mathematics) Wikipedia CC BY-SA 3.0.

Related Terms

  • matrix
  • elements
  • row vectors
  • column vectors
  • square matrix
  • infinite matrix
  • empty matrix
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