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Modifying Matrices Using Matrix Commands

k k k k k Modifying Matrices Using Matrix Commands

You can also use matrix commands to assign values to and recall values from an

existing matrix, to fill in all cells of an existing matrix with the same value, to

combine two matrices into a single matrix, and to assign the contents of a matrix

column to a list file.

u u u u u To assign values to and recall values from an existing matrix

Use the following format with the matrix operation menu's Mat command (1) to

specify a cell for value assignment and recall.

Mat X [

Example 1

Example 2

u u u u u To fill a matrix with identical values and to combine two matrices

Use the matrix operation menu's Fill command (3) to fill all the cells of an

existing matrix with an identical value, or the Augment command (5) to combine

two existing matrices into a single matrix.

Example 1

]

X ..................... matrix name (A through Z, or Ans)

m .....................

row number

n ......................

column number

Assign 10 to the cell at row 1, column 2 of the following matrix :

Matrix A =

baaK2(MAT)1(Mat)

aA![b,c!]w

Multiply the value in the cell at row 2, column 2 of the above

matrix by 5

K2(MAT)1(Mat)

aA![c,c!]

*fw

into a single matrix

To fill all of the cells of Matrix A with the value 3

K2(MAT)6(g)3(Fill)

d,6(g)1(Mat)aAw

Filler value