90
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 [
m
,
n
]
X ..................... matrix name (A through Z, or Ans)
m .....................
row number
n ......................
column number
Example 1
Assign 10 to the cell at row 1, column 2 of the following matrix :
1
2
Matrix A =
3
4
5
6
ba
a
K
2
(MAT)
1
(Mat)
a
A
!
[b,c
!
]
w
Example 2
Multiply the value in the cell at row 2, column 2 of the above
matrix by 5
K
2
(MAT)
1
(Mat)
a
A
!
[c,c
!
]
*f
w
u
u
u
u
u
To fill a matrix with identical values and to combine two matrices
into a single matrix
Use the matrix operation menu’s Fill command (
3
) to fill all the cells of an
existing matrix with an identical value and the Augment command (
5
) to
combine two existing matrices into a single matrix.
Example 1
To fill all of the cells of Matrix A with the value 3
K
2
(MAT)
6
(
g
)
3
(Fill)
d,
6
(
g
)
1
(Mat)
a
A
w
Filler value
6 - 3
Modifying Matrices Using Matrix Commands
Summary of Contents for CFX-9970G
Page 22: ... CFX 9970G ...
Page 452: ...435 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 453: ...436 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 454: ...437 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 455: ...438 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 458: ...441 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...