Casio FX-9750GII-SC User Guide - Page 81
To assign values to and recall values from an existing matrix
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S To assign values to and recall values from an existing matrix [OPTN]-[MAT]-[Mat] Use the following format with the Mat command to specify a cell for value assignment and recall. Mat X [m, n] X = matrix name (A through Z, or Ans) m = row number n = column number Example 1 To assign 10 to the cell at row 1, column 2 of the following matrix: 12 Matrix A = 3 4 56 @??*(MAT)(Mat) ?T(A) ( F )@A ( G )U Example 2 Multiply the value in the cell at row 2, column 2 of the above matrix by 5 *(MAT)(Mat) ?T(A) ( F )AA ( G ) DU S To fill a matrix with identical values and to combine two matrices into a single matrix [OPTN]-[MAT]-[Fill]/[Aug] Use the Fill command to fill all the cells of an existing matrix with an identical value and the Augment command to combine two existing matrices into a single matrix. Example 1 To fill all of the cells of Matrix A with the value 3 Example 2 *(MAT)(E)(Fill) B(E)(Mat)?T(A)U (Mat)?T(A)U To combine the following two matrices: 1 A= 2 3 B= 4 *(MAT)(Aug) (Mat)?T(A) (Mat)?J(B)U • The two matrices you combine must have the same number of rows. An error occurs if you try to combine two matrices that have different number of rows. 2-43