Student ok1296542946

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Student ok1296542946

  1. 1. Matrix Operations
  2. 2. <ul><li>MATRIX: A rectangular arrangement of numbers in rows and columns. </li></ul><ul><li>The ORDER of a matrix is the number of the rows and columns. </li></ul><ul><li>The ENTRIES are the numbers in the matrix. </li></ul>rows columns <ul><li>This order of this matrix is a 2 x 3. </li></ul>What is a Matrix?
  3. 3. What is the order?
  4. 4. <ul><li>To add two matrices, they must have the same order. To add, you simply add corresponding entries. </li></ul>Adding Two Matrices
  5. 5. = =
  6. 6. Subtracting Two Matrices To subtract two matrices, they must have the same order. You simply subtract corresponding entries.
  7. 7. = =
  8. 8. <ul><li>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. </li></ul>Multiplying a Matrix by a Scalar
  9. 9. -2

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