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Matrix Operations

Matrix Operations. MATRIX: A rectangular arrangement of numbers in rows and columns. The ORDER of a matrix is the number of the rows and columns. The ENTRIES are the numbers in the matrix. What is a Matrix?. This order of this matrix is a 2 x 3. columns. rows. What is the order?.

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Matrix Operations

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  1. Matrix Operations

  2. MATRIX: A rectangular arrangement of numbers in rows and columns. The ORDER of a matrix is the number of the rows and columns. The ENTRIES are the numbers in the matrix. What is a Matrix? • This order of this matrix is a 2 x 3. columns rows

  3. What is the order?

  4. Adding Two Matrices • To add two matrices, they must have the same order. To add, you simply add corresponding entries.

  5. = =

  6. Subtracting Two Matrices • To subtract two matrices, they must have the same order. You simply subtract corresponding entries.

  7. = =

  8. Multiplying a Matrix by a Scalar • In matrix algebra, a real number is often called a SCALAR. To multiply a matrix by a scalar, you multiply each entry in the matrix by that scalar.

  9. -2

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