Adding and subtracting matrices

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Adding and subtracting matrices

  1. 1. Adding and Subtracting MatricesTo add or subtract matrices, you must first enter them in your calculator. To dothis: 1. Press Matrix and the left arrow, so that EDIT is highlighted in the matrix window. 2. Press 1 to edit matrix 1. 3. Here you enter the size of the matrix – number of rows first, right arrow, then number of columns. 4. Press the down arrow to enter each value in the matrix. 5. Press the number of each value and enter. 6. Once all values are entered correctly, press MARTRIX and the left arrow. 7. Press 2 to edit matrix 2. 8. Again, enter the size of matrix 2 – number of rows, right arrow, then number of columns. 9. Press the down arrow to enter the values of each entry. nd 10. Once the matrix is entered, press 2 , QUIT.You may now add or subtract matrices assuming they have the same number ofcorresponding entries.To add: 1. Press MATRIX 1 + MATRIX 2 ENTER 2. The values displayed are those of the resulting matrix.To subtract: 1. Press MATRIX 1 – MATRIX 2 ENTER 2. The values displayed are those of the resulting matrix.
  2. 2. You can add or subtract as many matrices as you want. Always remember toenter all values with corresponding letters using the directions above before youtry to add.

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